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Finding the Fourth Proportional to 284,650.40, 426,514.80 and 179,280.80

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Solution

The fourth proportional to 284,650.40, 426,514.80 and 179,280.80 is: 268,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,650.40 : 426,514.80 = 179,280.80 : x
  2. Step 2: Convert to fraction form
    284,650.40/426,514.80 = 179,280.80/x
  3. Step 3: Cross multiply
    284,650.40x = 426,514.80 × 179,280.80
  4. Step 4: Simplify right side
    284,650.40x = 76,465,914,555.84
  5. Step 5: Solve for x
    x = 76,465,914,555.84/284,650.40
  6. Step 6: Final answer
    x = 268,630.98

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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.