Home / 284,768.20-426,569.10-144,605.80

Finding the Fourth Proportional to 284,768.20, 426,569.10 and 144,605.80

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Solution

The fourth proportional to 284,768.20, 426,569.10 and 144,605.80 is: 216,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,768.20 : 426,569.10 = 144,605.80 : x
  2. Step 2: Convert to fraction form
    284,768.20/426,569.10 = 144,605.80/x
  3. Step 3: Cross multiply
    284,768.20x = 426,569.10 × 144,605.80
  4. Step 4: Simplify right side
    284,768.20x = 61,684,365,960.78
  5. Step 5: Solve for x
    x = 61,684,365,960.78/284,768.20
  6. Step 6: Final answer
    x = 216,612.55

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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.