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Finding the Fourth Proportional to 230,580.67, 345,881.61 and 70,645.15

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Solution

The fourth proportional to 230,580.67, 345,881.61 and 70,645.15 is: 105,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,580.67 : 345,881.61 = 70,645.15 : x
  2. Step 2: Convert to fraction form
    230,580.67/345,881.61 = 70,645.15/x
  3. Step 3: Cross multiply
    230,580.67x = 345,881.61 × 70,645.15
  4. Step 4: Simplify right side
    230,580.67x = 24,434,858,220.69
  5. Step 5: Solve for x
    x = 24,434,858,220.69/230,580.67
  6. Step 6: Final answer
    x = 105,970.97

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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.