Home / 431,464.51-647,290.19-165,225.04

Finding the Fourth Proportional to 431,464.51, 647,290.19 and 165,225.04

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Solution

The fourth proportional to 431,464.51, 647,290.19 and 165,225.04 is: 247,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,464.51 : 647,290.19 = 165,225.04 : x
  2. Step 2: Convert to fraction form
    431,464.51/647,290.19 = 165,225.04/x
  3. Step 3: Cross multiply
    431,464.51x = 647,290.19 × 165,225.04
  4. Step 4: Simplify right side
    431,464.51x = 106,948,547,534.36
  5. Step 5: Solve for x
    x = 106,948,547,534.36/431,464.51
  6. Step 6: Final answer
    x = 247,873.34

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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.