Home / 272,240.04-408,379.52-72,559.40

Finding the Fourth Proportional to 272,240.04, 408,379.52 and 72,559.40

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Solution

The fourth proportional to 272,240.04, 408,379.52 and 72,559.40 is: 108,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,240.04 : 408,379.52 = 72,559.40 : x
  2. Step 2: Convert to fraction form
    272,240.04/408,379.52 = 72,559.40/x
  3. Step 3: Cross multiply
    272,240.04x = 408,379.52 × 72,559.40
  4. Step 4: Simplify right side
    272,240.04x = 29,631,772,943.49
  5. Step 5: Solve for x
    x = 29,631,772,943.49/272,240.04
  6. Step 6: Final answer
    x = 108,844.29

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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.