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Finding the Fourth Proportional to 360,034.56, 496,877.40 and 207,122.40

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Solution

The fourth proportional to 360,034.56, 496,877.40 and 207,122.40 is: 285,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,034.56 : 496,877.40 = 207,122.40 : x
  2. Step 2: Convert to fraction form
    360,034.56/496,877.40 = 207,122.40/x
  3. Step 3: Cross multiply
    360,034.56x = 496,877.40 × 207,122.40
  4. Step 4: Simplify right side
    360,034.56x = 102,914,439,593.76
  5. Step 5: Solve for x
    x = 102,914,439,593.76/360,034.56
  6. Step 6: Final answer
    x = 285,846.00

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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.