Home / 242,579.40-363,869.10-154,005.90

Finding the Fourth Proportional to 242,579.40, 363,869.10 and 154,005.90

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Solution

The fourth proportional to 242,579.40, 363,869.10 and 154,005.90 is: 231,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,579.40 : 363,869.10 = 154,005.90 : x
  2. Step 2: Convert to fraction form
    242,579.40/363,869.10 = 154,005.90/x
  3. Step 3: Cross multiply
    242,579.40x = 363,869.10 × 154,005.90
  4. Step 4: Simplify right side
    242,579.40x = 56,037,988,227.69
  5. Step 5: Solve for x
    x = 56,037,988,227.69/242,579.40
  6. Step 6: Final answer
    x = 231,008.85

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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.