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Finding the Fourth Proportional to 235,655.88, 325,203.62 and 128,226.34

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Solution

The fourth proportional to 235,655.88, 325,203.62 and 128,226.34 is: 176,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,655.88 : 325,203.62 = 128,226.34 : x
  2. Step 2: Convert to fraction form
    235,655.88/325,203.62 = 128,226.34/x
  3. Step 3: Cross multiply
    235,655.88x = 325,203.62 × 128,226.34
  4. Step 4: Simplify right side
    235,655.88x = 41,699,669,947.35
  5. Step 5: Solve for x
    x = 41,699,669,947.35/235,655.88
  6. Step 6: Final answer
    x = 176,951.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.