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Finding the Fourth Proportional to 297,952.80, 446,540.40 and 120,314.40

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Solution

The fourth proportional to 297,952.80, 446,540.40 and 120,314.40 is: 180,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,952.80 : 446,540.40 = 120,314.40 : x
  2. Step 2: Convert to fraction form
    297,952.80/446,540.40 = 120,314.40/x
  3. Step 3: Cross multiply
    297,952.80x = 446,540.40 × 120,314.40
  4. Step 4: Simplify right side
    297,952.80x = 53,725,240,301.76
  5. Step 5: Solve for x
    x = 53,725,240,301.76/297,952.80
  6. Step 6: Final answer
    x = 180,314.60

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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.