Home / 321,541.32-482,188.36-152,931.72

Finding the Fourth Proportional to 321,541.32, 482,188.36 and 152,931.72

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Solution

The fourth proportional to 321,541.32, 482,188.36 and 152,931.72 is: 229,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,541.32 : 482,188.36 = 152,931.72 : x
  2. Step 2: Convert to fraction form
    321,541.32/482,188.36 = 152,931.72/x
  3. Step 3: Cross multiply
    321,541.32x = 482,188.36 × 152,931.72
  4. Step 4: Simplify right side
    321,541.32x = 73,741,895,258.78
  5. Step 5: Solve for x
    x = 73,741,895,258.78/321,541.32
  6. Step 6: Final answer
    x = 229,338.78

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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.