Home / 340,158.24-509,864.22-140,375.52

Finding the Fourth Proportional to 340,158.24, 509,864.22 and 140,375.52

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Solution

The fourth proportional to 340,158.24, 509,864.22 and 140,375.52 is: 210,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,158.24 : 509,864.22 = 140,375.52 : x
  2. Step 2: Convert to fraction form
    340,158.24/509,864.22 = 140,375.52/x
  3. Step 3: Cross multiply
    340,158.24x = 509,864.22 × 140,375.52
  4. Step 4: Simplify right side
    340,158.24x = 71,572,455,011.89
  5. Step 5: Solve for x
    x = 71,572,455,011.89/340,158.24
  6. Step 6: Final answer
    x = 210,409.29

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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.