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Finding the Fourth Proportional to 276,232.32, 414,348.72 and 118,358.40

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Solution

The fourth proportional to 276,232.32, 414,348.72 and 118,358.40 is: 177,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,232.32 : 414,348.72 = 118,358.40 : x
  2. Step 2: Convert to fraction form
    276,232.32/414,348.72 = 118,358.40/x
  3. Step 3: Cross multiply
    276,232.32x = 414,348.72 × 118,358.40
  4. Step 4: Simplify right side
    276,232.32x = 49,041,651,541.25
  5. Step 5: Solve for x
    x = 49,041,651,541.25/276,232.32
  6. Step 6: Final answer
    x = 177,537.70

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1.5x scale

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.