Home / 476,058.29-656,960.40-272,113.58

Finding the Fourth Proportional to 476,058.29, 656,960.40 and 272,113.58

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Solution

The fourth proportional to 476,058.29, 656,960.40 and 272,113.58 is: 375,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,058.29 : 656,960.40 = 272,113.58 : x
  2. Step 2: Convert to fraction form
    476,058.29/656,960.40 = 272,113.58/x
  3. Step 3: Cross multiply
    476,058.29x = 656,960.40 × 272,113.58
  4. Step 4: Simplify right side
    476,058.29x = 178,767,843,077.43
  5. Step 5: Solve for x
    x = 178,767,843,077.43/476,058.29
  6. Step 6: Final answer
    x = 375,516.71

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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.