Home / 272,539.64-408,508.40-112,527.36

Finding the Fourth Proportional to 272,539.64, 408,508.40 and 112,527.36

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Solution

The fourth proportional to 272,539.64, 408,508.40 and 112,527.36 is: 168,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,539.64 : 408,508.40 = 112,527.36 : x
  2. Step 2: Convert to fraction form
    272,539.64/408,508.40 = 112,527.36/x
  3. Step 3: Cross multiply
    272,539.64x = 408,508.40 × 112,527.36
  4. Step 4: Simplify right side
    272,539.64x = 45,968,371,438.18
  5. Step 5: Solve for x
    x = 45,968,371,438.18/272,539.64
  6. Step 6: Final answer
    x = 168,666.73

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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.