Home / 343,904.40-515,856.60-224,332.20

Finding the Fourth Proportional to 343,904.40, 515,856.60 and 224,332.20

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Solution

The fourth proportional to 343,904.40, 515,856.60 and 224,332.20 is: 336,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,904.40 : 515,856.60 = 224,332.20 : x
  2. Step 2: Convert to fraction form
    343,904.40/515,856.60 = 224,332.20/x
  3. Step 3: Cross multiply
    343,904.40x = 515,856.60 × 224,332.20
  4. Step 4: Simplify right side
    343,904.40x = 115,723,245,962.52
  5. Step 5: Solve for x
    x = 115,723,245,962.52/343,904.40
  6. Step 6: Final answer
    x = 336,498.30

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1.5x scale

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.