Home / 284,988.20-426,899.10-144,825.80

Finding the Fourth Proportional to 284,988.20, 426,899.10 and 144,825.80

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Solution

The fourth proportional to 284,988.20, 426,899.10 and 144,825.80 is: 216,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,988.20 : 426,899.10 = 144,825.80 : x
  2. Step 2: Convert to fraction form
    284,988.20/426,899.10 = 144,825.80/x
  3. Step 3: Cross multiply
    284,988.20x = 426,899.10 × 144,825.80
  4. Step 4: Simplify right side
    284,988.20x = 61,826,003,676.78
  5. Step 5: Solve for x
    x = 61,826,003,676.78/284,988.20
  6. Step 6: Final answer
    x = 216,942.33

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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.