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Finding the Fourth Proportional to 260,196.84, 359,131.65 and 169,394.70

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Solution

The fourth proportional to 260,196.84, 359,131.65 and 169,394.70 is: 233,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,196.84 : 359,131.65 = 169,394.70 : x
  2. Step 2: Convert to fraction form
    260,196.84/359,131.65 = 169,394.70/x
  3. Step 3: Cross multiply
    260,196.84x = 359,131.65 × 169,394.70
  4. Step 4: Simplify right side
    260,196.84x = 60,834,998,112.26
  5. Step 5: Solve for x
    x = 60,834,998,112.26/260,196.84
  6. Step 6: Final answer
    x = 233,803.75

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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.