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Finding the Fourth Proportional to 260,169.82, 359,041.35 and 146,990.14

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Solution

The fourth proportional to 260,169.82, 359,041.35 and 146,990.14 is: 202,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,169.82 : 359,041.35 = 146,990.14 : x
  2. Step 2: Convert to fraction form
    260,169.82/359,041.35 = 146,990.14/x
  3. Step 3: Cross multiply
    260,169.82x = 359,041.35 × 146,990.14
  4. Step 4: Simplify right side
    260,169.82x = 52,775,538,302.29
  5. Step 5: Solve for x
    x = 52,775,538,302.29/260,169.82
  6. Step 6: Final answer
    x = 202,850.35

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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.