Home / 306,490.68-459,437.96-146,525.18

Finding the Fourth Proportional to 306,490.68, 459,437.96 and 146,525.18

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Solution

The fourth proportional to 306,490.68, 459,437.96 and 146,525.18 is: 219,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,490.68 : 459,437.96 = 146,525.18 : x
  2. Step 2: Convert to fraction form
    306,490.68/459,437.96 = 146,525.18/x
  3. Step 3: Cross multiply
    306,490.68x = 459,437.96 × 146,525.18
  4. Step 4: Simplify right side
    306,490.68x = 67,319,229,787.83
  5. Step 5: Solve for x
    x = 67,319,229,787.83/306,490.68
  6. Step 6: Final answer
    x = 219,645.28

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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.