Home / 291,924.31-438,083-102,386.44

Finding the Fourth Proportional to 291,924.31, 438,083 and 102,386.44

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Solution

The fourth proportional to 291,924.31, 438,083 and 102,386.44 is: 153,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,924.31 : 438,083 = 102,386.44 : x
  2. Step 2: Convert to fraction form
    291,924.31/438,083 = 102,386.44/x
  3. Step 3: Cross multiply
    291,924.31x = 438,083 × 102,386.44
  4. Step 4: Simplify right side
    291,924.31x = 44,853,758,794.52
  5. Step 5: Solve for x
    x = 44,853,758,794.52/291,924.31
  6. Step 6: Final answer
    x = 153,648.59

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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.