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Finding the Fourth Proportional to 150,280.88, 207,385.08 and 83,211.44

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Solution

The fourth proportional to 150,280.88, 207,385.08 and 83,211.44 is: 114,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,280.88 : 207,385.08 = 83,211.44 : x
  2. Step 2: Convert to fraction form
    150,280.88/207,385.08 = 83,211.44/x
  3. Step 3: Cross multiply
    150,280.88x = 207,385.08 × 83,211.44
  4. Step 4: Simplify right side
    150,280.88x = 17,256,811,141.32
  5. Step 5: Solve for x
    x = 17,256,811,141.32/150,280.88
  6. Step 6: Final answer
    x = 114,830.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.