Home / 389,582.60-537,471.24-226,211.20

Finding the Fourth Proportional to 389,582.60, 537,471.24 and 226,211.20

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Solution

The fourth proportional to 389,582.60, 537,471.24 and 226,211.20 is: 312,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,582.60 : 537,471.24 = 226,211.20 : x
  2. Step 2: Convert to fraction form
    389,582.60/537,471.24 = 226,211.20/x
  3. Step 3: Cross multiply
    389,582.60x = 537,471.24 × 226,211.20
  4. Step 4: Simplify right side
    389,582.60x = 121,582,014,165.89
  5. Step 5: Solve for x
    x = 121,582,014,165.89/389,582.60
  6. Step 6: Final answer
    x = 312,082.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.