Home / 284,747.20-426,537.60-144,584.80

Finding the Fourth Proportional to 284,747.20, 426,537.60 and 144,584.80

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Solution

The fourth proportional to 284,747.20, 426,537.60 and 144,584.80 is: 216,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,747.20 : 426,537.60 = 144,584.80 : x
  2. Step 2: Convert to fraction form
    284,747.20/426,537.60 = 144,584.80/x
  3. Step 3: Cross multiply
    284,747.20x = 426,537.60 × 144,584.80
  4. Step 4: Simplify right side
    284,747.20x = 61,670,853,588.48
  5. Step 5: Solve for x
    x = 61,670,853,588.48/284,747.20
  6. Step 6: Final answer
    x = 216,581.07

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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.