Home / 382,816.87-574,139.18-112,887.07

Finding the Fourth Proportional to 382,816.87, 574,139.18 and 112,887.07

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Solution

The fourth proportional to 382,816.87, 574,139.18 and 112,887.07 is: 169,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,816.87 : 574,139.18 = 112,887.07 : x
  2. Step 2: Convert to fraction form
    382,816.87/574,139.18 = 112,887.07/x
  3. Step 3: Cross multiply
    382,816.87x = 574,139.18 × 112,887.07
  4. Step 4: Simplify right side
    382,816.87x = 64,812,892,560.31
  5. Step 5: Solve for x
    x = 64,812,892,560.31/382,816.87
  6. Step 6: Final answer
    x = 169,305.22

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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.