Home / 496,154.08-684,677.76-281,313.76

Finding the Fourth Proportional to 496,154.08, 684,677.76 and 281,313.76

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Solution

The fourth proportional to 496,154.08, 684,677.76 and 281,313.76 is: 388,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,154.08 : 684,677.76 = 281,313.76 : x
  2. Step 2: Convert to fraction form
    496,154.08/684,677.76 = 281,313.76/x
  3. Step 3: Cross multiply
    496,154.08x = 684,677.76 × 281,313.76
  4. Step 4: Simplify right side
    496,154.08x = 192,609,275,053.98
  5. Step 5: Solve for x
    x = 192,609,275,053.98/496,154.08
  6. Step 6: Final answer
    x = 388,204.56

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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.