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Finding the Fourth Proportional to 173,898.30, 260,847.45 and 155,199.45

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Solution

The fourth proportional to 173,898.30, 260,847.45 and 155,199.45 is: 232,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,898.30 : 260,847.45 = 155,199.45 : x
  2. Step 2: Convert to fraction form
    173,898.30/260,847.45 = 155,199.45/x
  3. Step 3: Cross multiply
    173,898.30x = 260,847.45 × 155,199.45
  4. Step 4: Simplify right side
    173,898.30x = 40,483,380,773.90
  5. Step 5: Solve for x
    x = 40,483,380,773.90/173,898.30
  6. Step 6: Final answer
    x = 232,799.18

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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.