Home / 272,225.68-408,478.20-112,420.24

Finding the Fourth Proportional to 272,225.68, 408,478.20 and 112,420.24

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Solution

The fourth proportional to 272,225.68, 408,478.20 and 112,420.24 is: 168,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,225.68 : 408,478.20 = 112,420.24 : x
  2. Step 2: Convert to fraction form
    272,225.68/408,478.20 = 112,420.24/x
  3. Step 3: Cross multiply
    272,225.68x = 408,478.20 × 112,420.24
  4. Step 4: Simplify right side
    272,225.68x = 45,921,217,278.77
  5. Step 5: Solve for x
    x = 45,921,217,278.77/272,225.68
  6. Step 6: Final answer
    x = 168,688.04

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1.5x scale

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.