Home / 268,499.56-370,519.43-147,633.66

Finding the Fourth Proportional to 268,499.56, 370,519.43 and 147,633.66

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Solution

The fourth proportional to 268,499.56, 370,519.43 and 147,633.66 is: 203,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,499.56 : 370,519.43 = 147,633.66 : x
  2. Step 2: Convert to fraction form
    268,499.56/370,519.43 = 147,633.66/x
  3. Step 3: Cross multiply
    268,499.56x = 370,519.43 × 147,633.66
  4. Step 4: Simplify right side
    268,499.56x = 54,701,138,068.50
  5. Step 5: Solve for x
    x = 54,701,138,068.50/268,499.56
  6. Step 6: Final answer
    x = 203,728.97

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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.