Home / 373,991.28-516,152.20-210,653.12

Finding the Fourth Proportional to 373,991.28, 516,152.20 and 210,653.12

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Solution

The fourth proportional to 373,991.28, 516,152.20 and 210,653.12 is: 290,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,991.28 : 516,152.20 = 210,653.12 : x
  2. Step 2: Convert to fraction form
    373,991.28/516,152.20 = 210,653.12/x
  3. Step 3: Cross multiply
    373,991.28x = 516,152.20 × 210,653.12
  4. Step 4: Simplify right side
    373,991.28x = 108,729,071,324.86
  5. Step 5: Solve for x
    x = 108,729,071,324.86/373,991.28
  6. Step 6: Final answer
    x = 290,726.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.