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Finding the Fourth Proportional to 345,675.22, 518,512.08 and 96,357.22

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Solution

The fourth proportional to 345,675.22, 518,512.08 and 96,357.22 is: 144,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,675.22 : 518,512.08 = 96,357.22 : x
  2. Step 2: Convert to fraction form
    345,675.22/518,512.08 = 96,357.22/x
  3. Step 3: Cross multiply
    345,675.22x = 518,512.08 × 96,357.22
  4. Step 4: Simplify right side
    345,675.22x = 49,962,382,565.22
  5. Step 5: Solve for x
    x = 49,962,382,565.22/345,675.22
  6. Step 6: Final answer
    x = 144,535.62

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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.