Home / 345,301.43-518,436.72-176,942.75

Finding the Fourth Proportional to 345,301.43, 518,436.72 and 176,942.75

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Solution

The fourth proportional to 345,301.43, 518,436.72 and 176,942.75 is: 265,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,301.43 : 518,436.72 = 176,942.75 : x
  2. Step 2: Convert to fraction form
    345,301.43/518,436.72 = 176,942.75/x
  3. Step 3: Cross multiply
    345,301.43x = 518,436.72 × 176,942.75
  4. Step 4: Simplify right side
    345,301.43x = 91,733,616,345.60
  5. Step 5: Solve for x
    x = 91,733,616,345.60/345,301.43
  6. Step 6: Final answer
    x = 265,662.43

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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.