Home / 243,531.78-336,287.61-153,044.52

Finding the Fourth Proportional to 243,531.78, 336,287.61 and 153,044.52

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Solution

The fourth proportional to 243,531.78, 336,287.61 and 153,044.52 is: 211,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,531.78 : 336,287.61 = 153,044.52 : x
  2. Step 2: Convert to fraction form
    243,531.78/336,287.61 = 153,044.52/x
  3. Step 3: Cross multiply
    243,531.78x = 336,287.61 × 153,044.52
  4. Step 4: Simplify right side
    243,531.78x = 51,466,975,854.40
  5. Step 5: Solve for x
    x = 51,466,975,854.40/243,531.78
  6. Step 6: Final answer
    x = 211,335.77

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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.