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Finding the Fourth Proportional to 277,515.20, 416,272.80 and 236,180.90

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Solution

The fourth proportional to 277,515.20, 416,272.80 and 236,180.90 is: 354,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,515.20 : 416,272.80 = 236,180.90 : x
  2. Step 2: Convert to fraction form
    277,515.20/416,272.80 = 236,180.90/x
  3. Step 3: Cross multiply
    277,515.20x = 416,272.80 × 236,180.90
  4. Step 4: Simplify right side
    277,515.20x = 98,315,684,549.52
  5. Step 5: Solve for x
    x = 98,315,684,549.52/277,515.20
  6. Step 6: Final answer
    x = 354,271.35

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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.