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Finding the Fourth Proportional to 277,326.40, 416,056.80 and 80,334.40

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Solution

The fourth proportional to 277,326.40, 416,056.80 and 80,334.40 is: 120,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,326.40 : 416,056.80 = 80,334.40 : x
  2. Step 2: Convert to fraction form
    277,326.40/416,056.80 = 80,334.40/x
  3. Step 3: Cross multiply
    277,326.40x = 416,056.80 × 80,334.40
  4. Step 4: Simplify right side
    277,326.40x = 33,423,673,393.92
  5. Step 5: Solve for x
    x = 33,423,673,393.92/277,326.40
  6. Step 6: Final answer
    x = 120,521.07

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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.