Home / 314,979.90-472,530.60-135,062.70

Finding the Fourth Proportional to 314,979.90, 472,530.60 and 135,062.70

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Solution

The fourth proportional to 314,979.90, 472,530.60 and 135,062.70 is: 202,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,979.90 : 472,530.60 = 135,062.70 : x
  2. Step 2: Convert to fraction form
    314,979.90/472,530.60 = 135,062.70/x
  3. Step 3: Cross multiply
    314,979.90x = 472,530.60 × 135,062.70
  4. Step 4: Simplify right side
    314,979.90x = 63,821,258,668.62
  5. Step 5: Solve for x
    x = 63,821,258,668.62/314,979.90
  6. Step 6: Final answer
    x = 202,620.10

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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.