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Finding the Fourth Proportional to 277,325.31, 416,050.20 and 87,797.01

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Solution

The fourth proportional to 277,325.31, 416,050.20 and 87,797.01 is: 131,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,325.31 : 416,050.20 = 87,797.01 : x
  2. Step 2: Convert to fraction form
    277,325.31/416,050.20 = 87,797.01/x
  3. Step 3: Cross multiply
    277,325.31x = 416,050.20 × 87,797.01
  4. Step 4: Simplify right side
    277,325.31x = 36,527,963,569.90
  5. Step 5: Solve for x
    x = 36,527,963,569.90/277,325.31
  6. Step 6: Final answer
    x = 131,715.22

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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.