Home / 351,422.04-527,128.40-85,184.96

Finding the Fourth Proportional to 351,422.04, 527,128.40 and 85,184.96

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Solution

The fourth proportional to 351,422.04, 527,128.40 and 85,184.96 is: 127,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,422.04 : 527,128.40 = 85,184.96 : x
  2. Step 2: Convert to fraction form
    351,422.04/527,128.40 = 85,184.96/x
  3. Step 3: Cross multiply
    351,422.04x = 527,128.40 × 85,184.96
  4. Step 4: Simplify right side
    351,422.04x = 44,903,411,668.86
  5. Step 5: Solve for x
    x = 44,903,411,668.86/351,422.04
  6. Step 6: Final answer
    x = 127,776.31

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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.