Home / 240,291.66-331,594.35-138,302.97

Finding the Fourth Proportional to 240,291.66, 331,594.35 and 138,302.97

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Solution

The fourth proportional to 240,291.66, 331,594.35 and 138,302.97 is: 190,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,291.66 : 331,594.35 = 138,302.97 : x
  2. Step 2: Convert to fraction form
    240,291.66/331,594.35 = 138,302.97/x
  3. Step 3: Cross multiply
    240,291.66x = 331,594.35 × 138,302.97
  4. Step 4: Simplify right side
    240,291.66x = 45,860,483,440.22
  5. Step 5: Solve for x
    x = 45,860,483,440.22/240,291.66
  6. Step 6: Final answer
    x = 190,853.41

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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.