Home / 272,499.08-408,810.14-82,976.40

Finding the Fourth Proportional to 272,499.08, 408,810.14 and 82,976.40

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Solution

The fourth proportional to 272,499.08, 408,810.14 and 82,976.40 is: 124,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,499.08 : 408,810.14 = 82,976.40 : x
  2. Step 2: Convert to fraction form
    272,499.08/408,810.14 = 82,976.40/x
  3. Step 3: Cross multiply
    272,499.08x = 408,810.14 × 82,976.40
  4. Step 4: Simplify right side
    272,499.08x = 33,921,592,263.79
  5. Step 5: Solve for x
    x = 33,921,592,263.79/272,499.08
  6. Step 6: Final answer
    x = 124,483.33

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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.