Home / 437,044.80-655,486.20-121,436.40

Finding the Fourth Proportional to 437,044.80, 655,486.20 and 121,436.40

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Solution

The fourth proportional to 437,044.80, 655,486.20 and 121,436.40 is: 182,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,044.80 : 655,486.20 = 121,436.40 : x
  2. Step 2: Convert to fraction form
    437,044.80/655,486.20 = 121,436.40/x
  3. Step 3: Cross multiply
    437,044.80x = 655,486.20 × 121,436.40
  4. Step 4: Simplify right side
    437,044.80x = 79,599,884,377.68
  5. Step 5: Solve for x
    x = 79,599,884,377.68/437,044.80
  6. Step 6: Final answer
    x = 182,132.09

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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.