Home / 272,628.08-408,947.58-72,948.15

Finding the Fourth Proportional to 272,628.08, 408,947.58 and 72,948.15

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Solution

The fourth proportional to 272,628.08, 408,947.58 and 72,948.15 is: 109,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,628.08 : 408,947.58 = 72,948.15 : x
  2. Step 2: Convert to fraction form
    272,628.08/408,947.58 = 72,948.15/x
  3. Step 3: Cross multiply
    272,628.08x = 408,947.58 × 72,948.15
  4. Step 4: Simplify right side
    272,628.08x = 29,831,967,545.61
  5. Step 5: Solve for x
    x = 29,831,967,545.61/272,628.08
  6. Step 6: Final answer
    x = 109,423.68

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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.