Home / 854,156.25-1,281,500.90-255,141.04

Finding the Fourth Proportional to 854,156.25, 1,281,500.90 and 255,141.04

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Solution

The fourth proportional to 854,156.25, 1,281,500.90 and 255,141.04 is: 382,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,156.25 : 1,281,500.90 = 255,141.04 : x
  2. Step 2: Convert to fraction form
    854,156.25/1,281,500.90 = 255,141.04/x
  3. Step 3: Cross multiply
    854,156.25x = 1,281,500.90 × 255,141.04
  4. Step 4: Simplify right side
    854,156.25x = 326,963,472,386.94
  5. Step 5: Solve for x
    x = 326,963,472,386.94/854,156.25
  6. Step 6: Final answer
    x = 382,791.17

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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.