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Finding the Fourth Proportional to 230,748.74, 346,106.72 and 62,278.68

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Solution

The fourth proportional to 230,748.74, 346,106.72 and 62,278.68 is: 93,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,748.74 : 346,106.72 = 62,278.68 : x
  2. Step 2: Convert to fraction form
    230,748.74/346,106.72 = 62,278.68/x
  3. Step 3: Cross multiply
    230,748.74x = 346,106.72 × 62,278.68
  4. Step 4: Simplify right side
    230,748.74x = 21,555,069,660.73
  5. Step 5: Solve for x
    x = 21,555,069,660.73/230,748.74
  6. Step 6: Final answer
    x = 93,413.60

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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.