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Finding the Fourth Proportional to 240,792.34, 332,292.59 and 138,817.31

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Solution

The fourth proportional to 240,792.34, 332,292.59 and 138,817.31 is: 191,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,792.34 : 332,292.59 = 138,817.31 : x
  2. Step 2: Convert to fraction form
    240,792.34/332,292.59 = 138,817.31/x
  3. Step 3: Cross multiply
    240,792.34x = 332,292.59 × 138,817.31
  4. Step 4: Simplify right side
    240,792.34x = 46,127,963,476.73
  5. Step 5: Solve for x
    x = 46,127,963,476.73/240,792.34
  6. Step 6: Final answer
    x = 191,567.41

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1.5x scale

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.