Home / 315,266.76-472,733.16-137,566.28

Finding the Fourth Proportional to 315,266.76, 472,733.16 and 137,566.28

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Solution

The fourth proportional to 315,266.76, 472,733.16 and 137,566.28 is: 206,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,266.76 : 472,733.16 = 137,566.28 : x
  2. Step 2: Convert to fraction form
    315,266.76/472,733.16 = 137,566.28/x
  3. Step 3: Cross multiply
    315,266.76x = 472,733.16 × 137,566.28
  4. Step 4: Simplify right side
    315,266.76x = 65,032,142,253.84
  5. Step 5: Solve for x
    x = 65,032,142,253.84/315,266.76
  6. Step 6: Final answer
    x = 206,276.56

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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.