Home / 297,535.68-446,245.20-87,117.12

Finding the Fourth Proportional to 297,535.68, 446,245.20 and 87,117.12

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Solution

The fourth proportional to 297,535.68, 446,245.20 and 87,117.12 is: 130,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,535.68 : 446,245.20 = 87,117.12 : x
  2. Step 2: Convert to fraction form
    297,535.68/446,245.20 = 87,117.12/x
  3. Step 3: Cross multiply
    297,535.68x = 446,245.20 × 87,117.12
  4. Step 4: Simplify right side
    297,535.68x = 38,875,596,637.82
  5. Step 5: Solve for x
    x = 38,875,596,637.82/297,535.68
  6. Step 6: Final answer
    x = 130,658.60

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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.