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Finding the Fourth Proportional to 245,352.14, 338,842.98 and 169,069.58

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Solution

The fourth proportional to 245,352.14, 338,842.98 and 169,069.58 is: 233,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,352.14 : 338,842.98 = 169,069.58 : x
  2. Step 2: Convert to fraction form
    245,352.14/338,842.98 = 169,069.58/x
  3. Step 3: Cross multiply
    245,352.14x = 338,842.98 × 169,069.58
  4. Step 4: Simplify right side
    245,352.14x = 57,288,040,314.55
  5. Step 5: Solve for x
    x = 57,288,040,314.55/245,352.14
  6. Step 6: Final answer
    x = 233,493.13

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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.