Home / 240,243.57-331,569.05-138,266.93

Finding the Fourth Proportional to 240,243.57, 331,569.05 and 138,266.93

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Solution

The fourth proportional to 240,243.57, 331,569.05 and 138,266.93 is: 190,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,243.57 : 331,569.05 = 138,266.93 : x
  2. Step 2: Convert to fraction form
    240,243.57/331,569.05 = 138,266.93/x
  3. Step 3: Cross multiply
    240,243.57x = 331,569.05 × 138,266.93
  4. Step 4: Simplify right side
    240,243.57x = 45,845,034,764.10
  5. Step 5: Solve for x
    x = 45,845,034,764.10/240,243.57
  6. Step 6: Final answer
    x = 190,827.31

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1.5x scale

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.