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Finding the Fourth Proportional to 240,603.81, 332,107.22 and 138,697.41

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Solution

The fourth proportional to 240,603.81, 332,107.22 and 138,697.41 is: 191,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,603.81 : 332,107.22 = 138,697.41 : x
  2. Step 2: Convert to fraction form
    240,603.81/332,107.22 = 138,697.41/x
  3. Step 3: Cross multiply
    240,603.81x = 332,107.22 × 138,697.41
  4. Step 4: Simplify right side
    240,603.81x = 46,062,411,256.30
  5. Step 5: Solve for x
    x = 46,062,411,256.30/240,603.81
  6. Step 6: Final answer
    x = 191,445.06

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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.