Home / 417,756.12-576,502.96-226,769.52

Finding the Fourth Proportional to 417,756.12, 576,502.96 and 226,769.52

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Solution

The fourth proportional to 417,756.12, 576,502.96 and 226,769.52 is: 312,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,756.12 : 576,502.96 = 226,769.52 : x
  2. Step 2: Convert to fraction form
    417,756.12/576,502.96 = 226,769.52/x
  3. Step 3: Cross multiply
    417,756.12x = 576,502.96 × 226,769.52
  4. Step 4: Simplify right side
    417,756.12x = 130,733,299,517.78
  5. Step 5: Solve for x
    x = 130,733,299,517.78/417,756.12
  6. Step 6: Final answer
    x = 312,941.67

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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.