Home / 277,631.20-416,252.40-109,086.40

Finding the Fourth Proportional to 277,631.20, 416,252.40 and 109,086.40

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Solution

The fourth proportional to 277,631.20, 416,252.40 and 109,086.40 is: 163,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,631.20 : 416,252.40 = 109,086.40 : x
  2. Step 2: Convert to fraction form
    277,631.20/416,252.40 = 109,086.40/x
  3. Step 3: Cross multiply
    277,631.20x = 416,252.40 × 109,086.40
  4. Step 4: Simplify right side
    277,631.20x = 45,407,475,807.36
  5. Step 5: Solve for x
    x = 45,407,475,807.36/277,631.20
  6. Step 6: Final answer
    x = 163,553.22

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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.