Home / 376,239.15-564,449.04-139,583.88

Finding the Fourth Proportional to 376,239.15, 564,449.04 and 139,583.88

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Solution

The fourth proportional to 376,239.15, 564,449.04 and 139,583.88 is: 209,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,239.15 : 564,449.04 = 139,583.88 : x
  2. Step 2: Convert to fraction form
    376,239.15/564,449.04 = 139,583.88/x
  3. Step 3: Cross multiply
    376,239.15x = 564,449.04 × 139,583.88
  4. Step 4: Simplify right side
    376,239.15x = 78,787,987,065.48
  5. Step 5: Solve for x
    x = 78,787,987,065.48/376,239.15
  6. Step 6: Final answer
    x = 209,409.33

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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.