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Finding the Fourth Proportional to 230,550.59, 345,877.07 and 70,648.69

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Solution

The fourth proportional to 230,550.59, 345,877.07 and 70,648.69 is: 105,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,550.59 : 345,877.07 = 70,648.69 : x
  2. Step 2: Convert to fraction form
    230,550.59/345,877.07 = 70,648.69/x
  3. Step 3: Cross multiply
    230,550.59x = 345,877.07 × 70,648.69
  4. Step 4: Simplify right side
    230,550.59x = 24,435,761,896.54
  5. Step 5: Solve for x
    x = 24,435,761,896.54/230,550.59
  6. Step 6: Final answer
    x = 105,988.72

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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.