Home / 230,984.22-318,749.18-144,989.40

Finding the Fourth Proportional to 230,984.22, 318,749.18 and 144,989.40

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Solution

The fourth proportional to 230,984.22, 318,749.18 and 144,989.40 is: 200,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,984.22 : 318,749.18 = 144,989.40 : x
  2. Step 2: Convert to fraction form
    230,984.22/318,749.18 = 144,989.40/x
  3. Step 3: Cross multiply
    230,984.22x = 318,749.18 × 144,989.40
  4. Step 4: Simplify right side
    230,984.22x = 46,215,252,358.69
  5. Step 5: Solve for x
    x = 46,215,252,358.69/230,984.22
  6. Step 6: Final answer
    x = 200,079.70

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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.