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Finding the Fourth Proportional to 358,156.56, 537,168.84 and 144,868.56

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Solution

The fourth proportional to 358,156.56, 537,168.84 and 144,868.56 is: 217,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,156.56 : 537,168.84 = 144,868.56 : x
  2. Step 2: Convert to fraction form
    358,156.56/537,168.84 = 144,868.56/x
  3. Step 3: Cross multiply
    358,156.56x = 537,168.84 × 144,868.56
  4. Step 4: Simplify right side
    358,156.56x = 77,818,876,327.67
  5. Step 5: Solve for x
    x = 77,818,876,327.67/358,156.56
  6. Step 6: Final answer
    x = 217,276.14

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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.