Home / 390,346.04-585,519.26-109,863.29

Finding the Fourth Proportional to 390,346.04, 585,519.26 and 109,863.29

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Solution

The fourth proportional to 390,346.04, 585,519.26 and 109,863.29 is: 164,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,346.04 : 585,519.26 = 109,863.29 : x
  2. Step 2: Convert to fraction form
    390,346.04/585,519.26 = 109,863.29/x
  3. Step 3: Cross multiply
    390,346.04x = 585,519.26 × 109,863.29
  4. Step 4: Simplify right side
    390,346.04x = 64,327,068,785.05
  5. Step 5: Solve for x
    x = 64,327,068,785.05/390,346.04
  6. Step 6: Final answer
    x = 164,794.98

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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.