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Finding the Fourth Proportional to 315,250.58, 435,055.39 and 179,304.09

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Solution

The fourth proportional to 315,250.58, 435,055.39 and 179,304.09 is: 247,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,250.58 : 435,055.39 = 179,304.09 : x
  2. Step 2: Convert to fraction form
    315,250.58/435,055.39 = 179,304.09/x
  3. Step 3: Cross multiply
    315,250.58x = 435,055.39 × 179,304.09
  4. Step 4: Simplify right side
    315,250.58x = 78,007,211,171.01
  5. Step 5: Solve for x
    x = 78,007,211,171.01/315,250.58
  6. Step 6: Final answer
    x = 247,445.10

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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.