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Finding the Fourth Proportional to 235,298.97, 324,695.52 and 133,326.45

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Solution

The fourth proportional to 235,298.97, 324,695.52 and 133,326.45 is: 183,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,298.97 : 324,695.52 = 133,326.45 : x
  2. Step 2: Convert to fraction form
    235,298.97/324,695.52 = 133,326.45/x
  3. Step 3: Cross multiply
    235,298.97x = 324,695.52 × 133,326.45
  4. Step 4: Simplify right side
    235,298.97x = 43,290,501,012.50
  5. Step 5: Solve for x
    x = 43,290,501,012.50/235,298.97
  6. Step 6: Final answer
    x = 183,980.84

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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.