Home / 386,546.04-579,873.74-120,333.47

Finding the Fourth Proportional to 386,546.04, 579,873.74 and 120,333.47

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Solution

The fourth proportional to 386,546.04, 579,873.74 and 120,333.47 is: 180,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,546.04 : 579,873.74 = 120,333.47 : x
  2. Step 2: Convert to fraction form
    386,546.04/579,873.74 = 120,333.47/x
  3. Step 3: Cross multiply
    386,546.04x = 579,873.74 × 120,333.47
  4. Step 4: Simplify right side
    386,546.04x = 69,778,215,795.04
  5. Step 5: Solve for x
    x = 69,778,215,795.04/386,546.04
  6. Step 6: Final answer
    x = 180,517.22

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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.