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Finding the Fourth Proportional to 235,444.64, 352,969.88 and 109,175.00

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Solution

The fourth proportional to 235,444.64, 352,969.88 and 109,175.00 is: 163,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,444.64 : 352,969.88 = 109,175.00 : x
  2. Step 2: Convert to fraction form
    235,444.64/352,969.88 = 109,175.00/x
  3. Step 3: Cross multiply
    235,444.64x = 352,969.88 × 109,175.00
  4. Step 4: Simplify right side
    235,444.64x = 38,535,484,338.28
  5. Step 5: Solve for x
    x = 38,535,484,338.28/235,444.64
  6. Step 6: Final answer
    x = 163,671.11

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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.