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Finding the Fourth Proportional to 424,963.64, 586,427.54 and 233,940.12

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Solution

The fourth proportional to 424,963.64, 586,427.54 and 233,940.12 is: 322,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,963.64 : 586,427.54 = 233,940.12 : x
  2. Step 2: Convert to fraction form
    424,963.64/586,427.54 = 233,940.12/x
  3. Step 3: Cross multiply
    424,963.64x = 586,427.54 × 233,940.12
  4. Step 4: Simplify right side
    424,963.64x = 137,188,929,078.91
  5. Step 5: Solve for x
    x = 137,188,929,078.91/424,963.64
  6. Step 6: Final answer
    x = 322,825.10

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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.