Home / 239,725.92-357,766.08-213,154.56

Finding the Fourth Proportional to 239,725.92, 357,766.08 and 213,154.56

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Solution

The fourth proportional to 239,725.92, 357,766.08 and 213,154.56 is: 318,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,725.92 : 357,766.08 = 213,154.56 : x
  2. Step 2: Convert to fraction form
    239,725.92/357,766.08 = 213,154.56/x
  3. Step 3: Cross multiply
    239,725.92x = 357,766.08 × 213,154.56
  4. Step 4: Simplify right side
    239,725.92x = 76,259,471,365.32
  5. Step 5: Solve for x
    x = 76,259,471,365.32/239,725.92
  6. Step 6: Final answer
    x = 318,111.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.