Home / 239,471.16-330,518.08-137,566.50

Finding the Fourth Proportional to 239,471.16, 330,518.08 and 137,566.50

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Solution

The fourth proportional to 239,471.16, 330,518.08 and 137,566.50 is: 189,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,471.16 : 330,518.08 = 137,566.50 : x
  2. Step 2: Convert to fraction form
    239,471.16/330,518.08 = 137,566.50/x
  3. Step 3: Cross multiply
    239,471.16x = 330,518.08 × 137,566.50
  4. Step 4: Simplify right side
    239,471.16x = 45,468,215,452.32
  5. Step 5: Solve for x
    x = 45,468,215,452.32/239,471.16
  6. Step 6: Final answer
    x = 189,869.27

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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.