Home / 643,959.08-966,004.75-170,644.42

Finding the Fourth Proportional to 643,959.08, 966,004.75 and 170,644.42

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Solution

The fourth proportional to 643,959.08, 966,004.75 and 170,644.42 is: 255,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,959.08 : 966,004.75 = 170,644.42 : x
  2. Step 2: Convert to fraction form
    643,959.08/966,004.75 = 170,644.42/x
  3. Step 3: Cross multiply
    643,959.08x = 966,004.75 × 170,644.42
  4. Step 4: Simplify right side
    643,959.08x = 164,843,321,701.81
  5. Step 5: Solve for x
    x = 164,843,321,701.81/643,959.08
  6. Step 6: Final answer
    x = 255,984.16

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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.