Home / 242,280.09-363,423.21-84,508.55

Finding the Fourth Proportional to 242,280.09, 363,423.21 and 84,508.55

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Solution

The fourth proportional to 242,280.09, 363,423.21 and 84,508.55 is: 126,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,280.09 : 363,423.21 = 84,508.55 : x
  2. Step 2: Convert to fraction form
    242,280.09/363,423.21 = 84,508.55/x
  3. Step 3: Cross multiply
    242,280.09x = 363,423.21 × 84,508.55
  4. Step 4: Simplify right side
    242,280.09x = 30,712,366,696.33
  5. Step 5: Solve for x
    x = 30,712,366,696.33/242,280.09
  6. Step 6: Final answer
    x = 126,763.89

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1.5x scale

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.