Home / 642,472.02-963,757.17-169,150.50

Finding the Fourth Proportional to 642,472.02, 963,757.17 and 169,150.50

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Solution

The fourth proportional to 642,472.02, 963,757.17 and 169,150.50 is: 253,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,472.02 : 963,757.17 = 169,150.50 : x
  2. Step 2: Convert to fraction form
    642,472.02/963,757.17 = 169,150.50/x
  3. Step 3: Cross multiply
    642,472.02x = 963,757.17 × 169,150.50
  4. Step 4: Simplify right side
    642,472.02x = 163,020,007,184.09
  5. Step 5: Solve for x
    x = 163,020,007,184.09/642,472.02
  6. Step 6: Final answer
    x = 253,738.69

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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.