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Finding the Fourth Proportional to 298,713.60, 412,228.41 and 171,401.04

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Solution

The fourth proportional to 298,713.60, 412,228.41 and 171,401.04 is: 236,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,713.60 : 412,228.41 = 171,401.04 : x
  2. Step 2: Convert to fraction form
    298,713.60/412,228.41 = 171,401.04/x
  3. Step 3: Cross multiply
    298,713.60x = 412,228.41 × 171,401.04
  4. Step 4: Simplify right side
    298,713.60x = 70,656,378,191.55
  5. Step 5: Solve for x
    x = 70,656,378,191.55/298,713.60
  6. Step 6: Final answer
    x = 236,535.52

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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.