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Finding the Fourth Proportional to 270,084.40, 404,543.40 and 235,092.40

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Solution

The fourth proportional to 270,084.40, 404,543.40 and 235,092.40 is: 352,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,084.40 : 404,543.40 = 235,092.40 : x
  2. Step 2: Convert to fraction form
    270,084.40/404,543.40 = 235,092.40/x
  3. Step 3: Cross multiply
    270,084.40x = 404,543.40 × 235,092.40
  4. Step 4: Simplify right side
    270,084.40x = 95,105,078,810.16
  5. Step 5: Solve for x
    x = 95,105,078,810.16/270,084.40
  6. Step 6: Final answer
    x = 352,130.96

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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.