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Finding the Fourth Proportional to 234,017.78, 350,915.49 and 115,550.69

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Solution

The fourth proportional to 234,017.78, 350,915.49 and 115,550.69 is: 173,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,017.78 : 350,915.49 = 115,550.69 : x
  2. Step 2: Convert to fraction form
    234,017.78/350,915.49 = 115,550.69/x
  3. Step 3: Cross multiply
    234,017.78x = 350,915.49 × 115,550.69
  4. Step 4: Simplify right side
    234,017.78x = 40,548,525,246.61
  5. Step 5: Solve for x
    x = 40,548,525,246.61/234,017.78
  6. Step 6: Final answer
    x = 173,271.13

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1.5x scale

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.