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Finding the Fourth Proportional to 288,000.72, 432,193.94 and 119,521.20

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Solution

The fourth proportional to 288,000.72, 432,193.94 and 119,521.20 is: 179,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,000.72 : 432,193.94 = 119,521.20 : x
  2. Step 2: Convert to fraction form
    288,000.72/432,193.94 = 119,521.20/x
  3. Step 3: Cross multiply
    288,000.72x = 432,193.94 × 119,521.20
  4. Step 4: Simplify right side
    288,000.72x = 51,656,338,341.53
  5. Step 5: Solve for x
    x = 51,656,338,341.53/288,000.72
  6. Step 6: Final answer
    x = 179,361.84

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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.