Home / 284,009.19-426,102.18-84,330.60

Finding the Fourth Proportional to 284,009.19, 426,102.18 and 84,330.60

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Solution

The fourth proportional to 284,009.19, 426,102.18 and 84,330.60 is: 126,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,009.19 : 426,102.18 = 84,330.60 : x
  2. Step 2: Convert to fraction form
    284,009.19/426,102.18 = 84,330.60/x
  3. Step 3: Cross multiply
    284,009.19x = 426,102.18 × 84,330.60
  4. Step 4: Simplify right side
    284,009.19x = 35,933,452,500.71
  5. Step 5: Solve for x
    x = 35,933,452,500.71/284,009.19
  6. Step 6: Final answer
    x = 126,522.15

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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.