Home / 284,736.20-426,521.10-144,573.80

Finding the Fourth Proportional to 284,736.20, 426,521.10 and 144,573.80

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Solution

The fourth proportional to 284,736.20, 426,521.10 and 144,573.80 is: 216,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,736.20 : 426,521.10 = 144,573.80 : x
  2. Step 2: Convert to fraction form
    284,736.20/426,521.10 = 144,573.80/x
  3. Step 3: Cross multiply
    284,736.20x = 426,521.10 × 144,573.80
  4. Step 4: Simplify right side
    284,736.20x = 61,663,776,207.18
  5. Step 5: Solve for x
    x = 61,663,776,207.18/284,736.20
  6. Step 6: Final answer
    x = 216,564.58

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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.