Home / 496,154.50-684,693.20-281,294.55

Finding the Fourth Proportional to 496,154.50, 684,693.20 and 281,294.55

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Solution

The fourth proportional to 496,154.50, 684,693.20 and 281,294.55 is: 388,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,154.50 : 684,693.20 = 281,294.55 : x
  2. Step 2: Convert to fraction form
    496,154.50/684,693.20 = 281,294.55/x
  3. Step 3: Cross multiply
    496,154.50x = 684,693.20 × 281,294.55
  4. Step 4: Simplify right side
    496,154.50x = 192,600,466,285.30
  5. Step 5: Solve for x
    x = 192,600,466,285.30/496,154.50
  6. Step 6: Final answer
    x = 388,186.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.