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Finding the Fourth Proportional to 555,009.98, 832,369.10 and 239,396.72

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Solution

The fourth proportional to 555,009.98, 832,369.10 and 239,396.72 is: 359,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,009.98 : 832,369.10 = 239,396.72 : x
  2. Step 2: Convert to fraction form
    555,009.98/832,369.10 = 239,396.72/x
  3. Step 3: Cross multiply
    555,009.98x = 832,369.10 × 239,396.72
  4. Step 4: Simplify right side
    555,009.98x = 199,266,427,010.52
  5. Step 5: Solve for x
    x = 199,266,427,010.52/555,009.98
  6. Step 6: Final answer
    x = 359,032.15

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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.