Home / 272,044.24-408,065.81-72,364.86

Finding the Fourth Proportional to 272,044.24, 408,065.81 and 72,364.86

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Solution

The fourth proportional to 272,044.24, 408,065.81 and 72,364.86 is: 108,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,044.24 : 408,065.81 = 72,364.86 : x
  2. Step 2: Convert to fraction form
    272,044.24/408,065.81 = 72,364.86/x
  3. Step 3: Cross multiply
    272,044.24x = 408,065.81 × 72,364.86
  4. Step 4: Simplify right side
    272,044.24x = 29,529,625,211.44
  5. Step 5: Solve for x
    x = 29,529,625,211.44/272,044.24
  6. Step 6: Final answer
    x = 108,547.14

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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.