Home / 291,346.38-402,051.67-162,284.36

Finding the Fourth Proportional to 291,346.38, 402,051.67 and 162,284.36

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Solution

The fourth proportional to 291,346.38, 402,051.67 and 162,284.36 is: 223,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,346.38 : 402,051.67 = 162,284.36 : x
  2. Step 2: Convert to fraction form
    291,346.38/402,051.67 = 162,284.36/x
  3. Step 3: Cross multiply
    291,346.38x = 402,051.67 × 162,284.36
  4. Step 4: Simplify right side
    291,346.38x = 65,246,695,536.91
  5. Step 5: Solve for x
    x = 65,246,695,536.91/291,346.38
  6. Step 6: Final answer
    x = 223,948.88

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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.