Home / 330,918.66-496,279.35-120,507.39

Finding the Fourth Proportional to 330,918.66, 496,279.35 and 120,507.39

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Solution

The fourth proportional to 330,918.66, 496,279.35 and 120,507.39 is: 180,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,918.66 : 496,279.35 = 120,507.39 : x
  2. Step 2: Convert to fraction form
    330,918.66/496,279.35 = 120,507.39/x
  3. Step 3: Cross multiply
    330,918.66x = 496,279.35 × 120,507.39
  4. Step 4: Simplify right side
    330,918.66x = 59,805,329,179.40
  5. Step 5: Solve for x
    x = 59,805,329,179.40/330,918.66
  6. Step 6: Final answer
    x = 180,725.16

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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.