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Finding the Fourth Proportional to 602,407.60, 903,617.88 and 181,687.12

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Solution

The fourth proportional to 602,407.60, 903,617.88 and 181,687.12 is: 272,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,407.60 : 903,617.88 = 181,687.12 : x
  2. Step 2: Convert to fraction form
    602,407.60/903,617.88 = 181,687.12/x
  3. Step 3: Cross multiply
    602,407.60x = 903,617.88 × 181,687.12
  4. Step 4: Simplify right side
    602,407.60x = 164,175,724,771.18
  5. Step 5: Solve for x
    x = 164,175,724,771.18/602,407.60
  6. Step 6: Final answer
    x = 272,532.63

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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.