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Finding the Fourth Proportional to 173,354.10, 260,031.15 and 153,654.90

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Solution

The fourth proportional to 173,354.10, 260,031.15 and 153,654.90 is: 230,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,354.10 : 260,031.15 = 153,654.90 : x
  2. Step 2: Convert to fraction form
    173,354.10/260,031.15 = 153,654.90/x
  3. Step 3: Cross multiply
    173,354.10x = 260,031.15 × 153,654.90
  4. Step 4: Simplify right side
    173,354.10x = 39,955,060,350.14
  5. Step 5: Solve for x
    x = 39,955,060,350.14/173,354.10
  6. Step 6: Final answer
    x = 230,482.35

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1.5x scale

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.