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Finding the Fourth Proportional to 259,945.70, 364,711.30 and 259,945.70

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Solution

The fourth proportional to 259,945.70, 364,711.30 and 259,945.70 is: 364,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,945.70 : 364,711.30 = 259,945.70 : x
  2. Step 2: Convert to fraction form
    259,945.70/364,711.30 = 259,945.70/x
  3. Step 3: Cross multiply
    259,945.70x = 364,711.30 × 259,945.70
  4. Step 4: Simplify right side
    259,945.70x = 94,805,134,176.41
  5. Step 5: Solve for x
    x = 94,805,134,176.41/259,945.70
  6. Step 6: Final answer
    x = 364,711.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.