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Finding the Fourth Proportional to 396,585.54, 595,468.71 and 160,389.54

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Solution

The fourth proportional to 396,585.54, 595,468.71 and 160,389.54 is: 240,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,585.54 : 595,468.71 = 160,389.54 : x
  2. Step 2: Convert to fraction form
    396,585.54/595,468.71 = 160,389.54/x
  3. Step 3: Cross multiply
    396,585.54x = 595,468.71 × 160,389.54
  4. Step 4: Simplify right side
    396,585.54x = 95,506,952,481.29
  5. Step 5: Solve for x
    x = 95,506,952,481.29/396,585.54
  6. Step 6: Final answer
    x = 240,823.08

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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.