Home / 240,454.36-331,798.17-138,513.16

Finding the Fourth Proportional to 240,454.36, 331,798.17 and 138,513.16

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Solution

The fourth proportional to 240,454.36, 331,798.17 and 138,513.16 is: 191,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,454.36 : 331,798.17 = 138,513.16 : x
  2. Step 2: Convert to fraction form
    240,454.36/331,798.17 = 138,513.16/x
  3. Step 3: Cross multiply
    240,454.36x = 331,798.17 × 138,513.16
  4. Step 4: Simplify right side
    240,454.36x = 45,958,413,008.92
  5. Step 5: Solve for x
    x = 45,958,413,008.92/240,454.36
  6. Step 6: Final answer
    x = 191,131.54

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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.