Home / 435,178.12-652,461-168,714.04

Finding the Fourth Proportional to 435,178.12, 652,461 and 168,714.04

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Solution

The fourth proportional to 435,178.12, 652,461 and 168,714.04 is: 252,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,178.12 : 652,461 = 168,714.04 : x
  2. Step 2: Convert to fraction form
    435,178.12/652,461 = 168,714.04/x
  3. Step 3: Cross multiply
    435,178.12x = 652,461 × 168,714.04
  4. Step 4: Simplify right side
    435,178.12x = 110,079,331,252.44
  5. Step 5: Solve for x
    x = 110,079,331,252.44/435,178.12
  6. Step 6: Final answer
    x = 252,952.36

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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.