Home / 434,910.47-652,459.39-131,279.19

Finding the Fourth Proportional to 434,910.47, 652,459.39 and 131,279.19

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Solution

The fourth proportional to 434,910.47, 652,459.39 and 131,279.19 is: 196,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,910.47 : 652,459.39 = 131,279.19 : x
  2. Step 2: Convert to fraction form
    434,910.47/652,459.39 = 131,279.19/x
  3. Step 3: Cross multiply
    434,910.47x = 652,459.39 × 131,279.19
  4. Step 4: Simplify right side
    434,910.47x = 85,654,340,555.29
  5. Step 5: Solve for x
    x = 85,654,340,555.29/434,910.47
  6. Step 6: Final answer
    x = 196,947.07

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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.