Home / 282,508.04-389,861.36-155,191.83

Finding the Fourth Proportional to 282,508.04, 389,861.36 and 155,191.83

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Solution

The fourth proportional to 282,508.04, 389,861.36 and 155,191.83 is: 214,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,508.04 : 389,861.36 = 155,191.83 : x
  2. Step 2: Convert to fraction form
    282,508.04/389,861.36 = 155,191.83/x
  3. Step 3: Cross multiply
    282,508.04x = 389,861.36 × 155,191.83
  4. Step 4: Simplify right side
    282,508.04x = 60,503,297,128.73
  5. Step 5: Solve for x
    x = 60,503,297,128.73/282,508.04
  6. Step 6: Final answer
    x = 214,164.87

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1.5x scale

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.