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Finding the Fourth Proportional to 162,450.30, 243,675.45 and 155,451.90

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Solution

The fourth proportional to 162,450.30, 243,675.45 and 155,451.90 is: 233,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,450.30 : 243,675.45 = 155,451.90 : x
  2. Step 2: Convert to fraction form
    162,450.30/243,675.45 = 155,451.90/x
  3. Step 3: Cross multiply
    162,450.30x = 243,675.45 × 155,451.90
  4. Step 4: Simplify right side
    162,450.30x = 37,879,811,685.86
  5. Step 5: Solve for x
    x = 37,879,811,685.86/162,450.30
  6. Step 6: Final answer
    x = 233,177.85

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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.