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Finding the Fourth Proportional to 438,332, 604,898.88 and 237,128

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Solution

The fourth proportional to 438,332, 604,898.88 and 237,128 is: 327,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,332 : 604,898.88 = 237,128 : x
  2. Step 2: Convert to fraction form
    438,332/604,898.88 = 237,128/x
  3. Step 3: Cross multiply
    438,332x = 604,898.88 × 237,128
  4. Step 4: Simplify right side
    438,332x = 143,438,461,616.64
  5. Step 5: Solve for x
    x = 143,438,461,616.64/438,332
  6. Step 6: Final answer
    x = 327,237.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.