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Finding the Fourth Proportional to 324,057.60, 486,086.40 and 296,501.40

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Solution

The fourth proportional to 324,057.60, 486,086.40 and 296,501.40 is: 444,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,057.60 : 486,086.40 = 296,501.40 : x
  2. Step 2: Convert to fraction form
    324,057.60/486,086.40 = 296,501.40/x
  3. Step 3: Cross multiply
    324,057.60x = 486,086.40 × 296,501.40
  4. Step 4: Simplify right side
    324,057.60x = 144,125,298,120.96
  5. Step 5: Solve for x
    x = 144,125,298,120.96/324,057.60
  6. Step 6: Final answer
    x = 444,752.10

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1.5x scale

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.