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Finding the Fourth Proportional to 374,303.92, 561,438.04 and 137,630.04

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Solution

The fourth proportional to 374,303.92, 561,438.04 and 137,630.04 is: 206,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,303.92 : 561,438.04 = 137,630.04 : x
  2. Step 2: Convert to fraction form
    374,303.92/561,438.04 = 137,630.04/x
  3. Step 3: Cross multiply
    374,303.92x = 561,438.04 × 137,630.04
  4. Step 4: Simplify right side
    374,303.92x = 77,270,739,902.72
  5. Step 5: Solve for x
    x = 77,270,739,902.72/374,303.92
  6. Step 6: Final answer
    x = 206,438.50

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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.