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Finding the Fourth Proportional to 254,980.40, 382,470.60 and 88,768.40

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Solution

The fourth proportional to 254,980.40, 382,470.60 and 88,768.40 is: 133,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,980.40 : 382,470.60 = 88,768.40 : x
  2. Step 2: Convert to fraction form
    254,980.40/382,470.60 = 88,768.40/x
  3. Step 3: Cross multiply
    254,980.40x = 382,470.60 × 88,768.40
  4. Step 4: Simplify right side
    254,980.40x = 33,951,303,209.04
  5. Step 5: Solve for x
    x = 33,951,303,209.04/254,980.40
  6. Step 6: Final answer
    x = 133,152.60

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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.