Home / 642,478.02-963,766.17-169,156.50

Finding the Fourth Proportional to 642,478.02, 963,766.17 and 169,156.50

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Solution

The fourth proportional to 642,478.02, 963,766.17 and 169,156.50 is: 253,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,478.02 : 963,766.17 = 169,156.50 : x
  2. Step 2: Convert to fraction form
    642,478.02/963,766.17 = 169,156.50/x
  3. Step 3: Cross multiply
    642,478.02x = 963,766.17 × 169,156.50
  4. Step 4: Simplify right side
    642,478.02x = 163,027,312,135.61
  5. Step 5: Solve for x
    x = 163,027,312,135.61/642,478.02
  6. Step 6: Final answer
    x = 253,747.69

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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.