Home / 284,039.73-391,977.23-156,723.93

Finding the Fourth Proportional to 284,039.73, 391,977.23 and 156,723.93

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Solution

The fourth proportional to 284,039.73, 391,977.23 and 156,723.93 is: 216,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,039.73 : 391,977.23 = 156,723.93 : x
  2. Step 2: Convert to fraction form
    284,039.73/391,977.23 = 156,723.93/x
  3. Step 3: Cross multiply
    284,039.73x = 391,977.23 × 156,723.93
  4. Step 4: Simplify right side
    284,039.73x = 61,432,211,172.49
  5. Step 5: Solve for x
    x = 61,432,211,172.49/284,039.73
  6. Step 6: Final answer
    x = 216,280.35

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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.