Home / 340,531.76-469,938.84-197,302.16

Finding the Fourth Proportional to 340,531.76, 469,938.84 and 197,302.16

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Solution

The fourth proportional to 340,531.76, 469,938.84 and 197,302.16 is: 272,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,531.76 : 469,938.84 = 197,302.16 : x
  2. Step 2: Convert to fraction form
    340,531.76/469,938.84 = 197,302.16/x
  3. Step 3: Cross multiply
    340,531.76x = 469,938.84 × 197,302.16
  4. Step 4: Simplify right side
    340,531.76x = 92,719,948,199.89
  5. Step 5: Solve for x
    x = 92,719,948,199.89/340,531.76
  6. Step 6: Final answer
    x = 272,279.88

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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.