Home / 272,566.71-408,821.31-72,907.25

Finding the Fourth Proportional to 272,566.71, 408,821.31 and 72,907.25

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Solution

The fourth proportional to 272,566.71, 408,821.31 and 72,907.25 is: 109,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,566.71 : 408,821.31 = 72,907.25 : x
  2. Step 2: Convert to fraction form
    272,566.71/408,821.31 = 72,907.25/x
  3. Step 3: Cross multiply
    272,566.71x = 408,821.31 × 72,907.25
  4. Step 4: Simplify right side
    272,566.71x = 29,806,035,409.39
  5. Step 5: Solve for x
    x = 29,806,035,409.39/272,566.71
  6. Step 6: Final answer
    x = 109,353.18

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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.