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Finding the Fourth Proportional to 235,275.60, 352,783.80 and 77,422.80

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Solution

The fourth proportional to 235,275.60, 352,783.80 and 77,422.80 is: 116,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,275.60 : 352,783.80 = 77,422.80 : x
  2. Step 2: Convert to fraction form
    235,275.60/352,783.80 = 77,422.80/x
  3. Step 3: Cross multiply
    235,275.60x = 352,783.80 × 77,422.80
  4. Step 4: Simplify right side
    235,275.60x = 27,313,509,590.64
  5. Step 5: Solve for x
    x = 27,313,509,590.64/235,275.60
  6. Step 6: Final answer
    x = 116,091.55

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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.