Home / 402,964.26-556,109.37-233,165.46

Finding the Fourth Proportional to 402,964.26, 556,109.37 and 233,165.46

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Solution

The fourth proportional to 402,964.26, 556,109.37 and 233,165.46 is: 321,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,964.26 : 556,109.37 = 233,165.46 : x
  2. Step 2: Convert to fraction form
    402,964.26/556,109.37 = 233,165.46/x
  3. Step 3: Cross multiply
    402,964.26x = 556,109.37 × 233,165.46
  4. Step 4: Simplify right side
    402,964.26x = 129,665,497,066.36
  5. Step 5: Solve for x
    x = 129,665,497,066.36/402,964.26
  6. Step 6: Final answer
    x = 321,779.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.