Home / 395,856.11-546,282.90-214,567.45

Finding the Fourth Proportional to 395,856.11, 546,282.90 and 214,567.45

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Solution

The fourth proportional to 395,856.11, 546,282.90 and 214,567.45 is: 296,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,856.11 : 546,282.90 = 214,567.45 : x
  2. Step 2: Convert to fraction form
    395,856.11/546,282.90 = 214,567.45/x
  3. Step 3: Cross multiply
    395,856.11x = 546,282.90 × 214,567.45
  4. Step 4: Simplify right side
    395,856.11x = 117,214,527,465.90
  5. Step 5: Solve for x
    x = 117,214,527,465.90/395,856.11
  6. Step 6: Final answer
    x = 296,103.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.