Home / 438,733.64-657,964.38-158,214.44

Finding the Fourth Proportional to 438,733.64, 657,964.38 and 158,214.44

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Solution

The fourth proportional to 438,733.64, 657,964.38 and 158,214.44 is: 237,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,733.64 : 657,964.38 = 158,214.44 : x
  2. Step 2: Convert to fraction form
    438,733.64/657,964.38 = 158,214.44/x
  3. Step 3: Cross multiply
    438,733.64x = 657,964.38 × 158,214.44
  4. Step 4: Simplify right side
    438,733.64x = 104,099,465,921.65
  5. Step 5: Solve for x
    x = 104,099,465,921.65/438,733.64
  6. Step 6: Final answer
    x = 237,272.59

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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.