Home / 266,276.13-399,507.49-166,319.30

Finding the Fourth Proportional to 266,276.13, 399,507.49 and 166,319.30

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Solution

The fourth proportional to 266,276.13, 399,507.49 and 166,319.30 is: 249,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,276.13 : 399,507.49 = 166,319.30 : x
  2. Step 2: Convert to fraction form
    266,276.13/399,507.49 = 166,319.30/x
  3. Step 3: Cross multiply
    266,276.13x = 399,507.49 × 166,319.30
  4. Step 4: Simplify right side
    266,276.13x = 66,445,806,164.61
  5. Step 5: Solve for x
    x = 66,445,806,164.61/266,276.13
  6. Step 6: Final answer
    x = 249,537.22

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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.