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Finding the Fourth Proportional to 296,003.60, 443,495.10 and 137,907.80

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Solution

The fourth proportional to 296,003.60, 443,495.10 and 137,907.80 is: 206,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,003.60 : 443,495.10 = 137,907.80 : x
  2. Step 2: Convert to fraction form
    296,003.60/443,495.10 = 137,907.80/x
  3. Step 3: Cross multiply
    296,003.60x = 443,495.10 × 137,907.80
  4. Step 4: Simplify right side
    296,003.60x = 61,161,433,551.78
  5. Step 5: Solve for x
    x = 61,161,433,551.78/296,003.60
  6. Step 6: Final answer
    x = 206,623.95

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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.