Home / 257,480,856.40-386,221,284.60-224,224,459.60

Finding the Fourth Proportional to 257,480,856.40, 386,221,284.60 and 224,224,459.60

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Solution

The fourth proportional to 257,480,856.40, 386,221,284.60 and 224,224,459.60 is: 336,336,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,480,856.40 : 386,221,284.60 = 224,224,459.60 : x
  2. Step 2: Convert to fraction form
    257,480,856.40/386,221,284.60 = 224,224,459.60/x
  3. Step 3: Cross multiply
    257,480,856.40x = 386,221,284.60 × 224,224,459.60
  4. Step 4: Simplify right side
    257,480,856.40x = 86,600,258,825,452,800
  5. Step 5: Solve for x
    x = 86,600,258,825,452,800/257,480,856.40
  6. Step 6: Final answer
    x = 336,336,689.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.