Home / 284,790.20-426,602.10-144,627.80

Finding the Fourth Proportional to 284,790.20, 426,602.10 and 144,627.80

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Solution

The fourth proportional to 284,790.20, 426,602.10 and 144,627.80 is: 216,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,790.20 : 426,602.10 = 144,627.80 : x
  2. Step 2: Convert to fraction form
    284,790.20/426,602.10 = 144,627.80/x
  3. Step 3: Cross multiply
    284,790.20x = 426,602.10 × 144,627.80
  4. Step 4: Simplify right side
    284,790.20x = 61,698,523,198.38
  5. Step 5: Solve for x
    x = 61,698,523,198.38/284,790.20
  6. Step 6: Final answer
    x = 216,645.53

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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.