Home / 489,962.25-734,943.38-157,538.25

Finding the Fourth Proportional to 489,962.25, 734,943.38 and 157,538.25

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Solution

The fourth proportional to 489,962.25, 734,943.38 and 157,538.25 is: 236,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,962.25 : 734,943.38 = 157,538.25 : x
  2. Step 2: Convert to fraction form
    489,962.25/734,943.38 = 157,538.25/x
  3. Step 3: Cross multiply
    489,962.25x = 734,943.38 × 157,538.25
  4. Step 4: Simplify right side
    489,962.25x = 115,781,693,146.59
  5. Step 5: Solve for x
    x = 115,781,693,146.59/489,962.25
  6. Step 6: Final answer
    x = 236,307.38

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Similar ratio
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1.5x scale

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.