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Finding the Fourth Proportional to 240,018.56, 359,823.68 and 146,589.92

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Solution

The fourth proportional to 240,018.56, 359,823.68 and 146,589.92 is: 219,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,018.56 : 359,823.68 = 146,589.92 : x
  2. Step 2: Convert to fraction form
    240,018.56/359,823.68 = 146,589.92/x
  3. Step 3: Cross multiply
    240,018.56x = 359,823.68 × 146,589.92
  4. Step 4: Simplify right side
    240,018.56x = 52,746,524,465.31
  5. Step 5: Solve for x
    x = 52,746,524,465.31/240,018.56
  6. Step 6: Final answer
    x = 219,760.19

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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.