Home / 302,043.20-452,546.40-143,931.20

Finding the Fourth Proportional to 302,043.20, 452,546.40 and 143,931.20

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Solution

The fourth proportional to 302,043.20, 452,546.40 and 143,931.20 is: 215,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,043.20 : 452,546.40 = 143,931.20 : x
  2. Step 2: Convert to fraction form
    302,043.20/452,546.40 = 143,931.20/x
  3. Step 3: Cross multiply
    302,043.20x = 452,546.40 × 143,931.20
  4. Step 4: Simplify right side
    302,043.20x = 65,135,546,407.68
  5. Step 5: Solve for x
    x = 65,135,546,407.68/302,043.20
  6. Step 6: Final answer
    x = 215,649.77

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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.