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Finding the Fourth Proportional to 270,010.40, 404,432.40 and 235,018.40

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Solution

The fourth proportional to 270,010.40, 404,432.40 and 235,018.40 is: 352,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,010.40 : 404,432.40 = 235,018.40 : x
  2. Step 2: Convert to fraction form
    270,010.40/404,432.40 = 235,018.40/x
  3. Step 3: Cross multiply
    270,010.40x = 404,432.40 × 235,018.40
  4. Step 4: Simplify right side
    270,010.40x = 95,049,055,556.16
  5. Step 5: Solve for x
    x = 95,049,055,556.16/270,010.40
  6. Step 6: Final answer
    x = 352,019.98

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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.