Home / 381,346.40-571,923.63-156,769.46

Finding the Fourth Proportional to 381,346.40, 571,923.63 and 156,769.46

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Solution

The fourth proportional to 381,346.40, 571,923.63 and 156,769.46 is: 235,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,346.40 : 571,923.63 = 156,769.46 : x
  2. Step 2: Convert to fraction form
    381,346.40/571,923.63 = 156,769.46/x
  3. Step 3: Cross multiply
    381,346.40x = 571,923.63 × 156,769.46
  4. Step 4: Simplify right side
    381,346.40x = 89,660,158,636.34
  5. Step 5: Solve for x
    x = 89,660,158,636.34/381,346.40
  6. Step 6: Final answer
    x = 235,114.74

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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.