Home / 390,769.86-586,132.29-150,836.82

Finding the Fourth Proportional to 390,769.86, 586,132.29 and 150,836.82

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Solution

The fourth proportional to 390,769.86, 586,132.29 and 150,836.82 is: 226,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,769.86 : 586,132.29 = 150,836.82 : x
  2. Step 2: Convert to fraction form
    390,769.86/586,132.29 = 150,836.82/x
  3. Step 3: Cross multiply
    390,769.86x = 586,132.29 × 150,836.82
  4. Step 4: Simplify right side
    390,769.86x = 88,410,330,722.92
  5. Step 5: Solve for x
    x = 88,410,330,722.92/390,769.86
  6. Step 6: Final answer
    x = 226,246.55

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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.