Home / 347,711.40-521,567.10-214,851.15

Finding the Fourth Proportional to 347,711.40, 521,567.10 and 214,851.15

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Solution

The fourth proportional to 347,711.40, 521,567.10 and 214,851.15 is: 322,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711.40 : 521,567.10 = 214,851.15 : x
  2. Step 2: Convert to fraction form
    347,711.40/521,567.10 = 214,851.15/x
  3. Step 3: Cross multiply
    347,711.40x = 521,567.10 × 214,851.15
  4. Step 4: Simplify right side
    347,711.40x = 112,059,291,237.17
  5. Step 5: Solve for x
    x = 112,059,291,237.17/347,711.40
  6. Step 6: Final answer
    x = 322,276.73

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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.