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Finding the Fourth Proportional to 277,807.20, 416,710.80 and 248,938.80

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Solution

The fourth proportional to 277,807.20, 416,710.80 and 248,938.80 is: 373,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,807.20 : 416,710.80 = 248,938.80 : x
  2. Step 2: Convert to fraction form
    277,807.20/416,710.80 = 248,938.80/x
  3. Step 3: Cross multiply
    277,807.20x = 416,710.80 × 248,938.80
  4. Step 4: Simplify right side
    277,807.20x = 103,735,486,499.04
  5. Step 5: Solve for x
    x = 103,735,486,499.04/277,807.20
  6. Step 6: Final answer
    x = 373,408.20

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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.