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Finding the Fourth Proportional to 315,624.44, 435,544.08 and 179,691.50

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Solution

The fourth proportional to 315,624.44, 435,544.08 and 179,691.50 is: 247,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,624.44 : 435,544.08 = 179,691.50 : x
  2. Step 2: Convert to fraction form
    315,624.44/435,544.08 = 179,691.50/x
  3. Step 3: Cross multiply
    315,624.44x = 435,544.08 × 179,691.50
  4. Step 4: Simplify right side
    315,624.44x = 78,263,569,051.32
  5. Step 5: Solve for x
    x = 78,263,569,051.32/315,624.44
  6. Step 6: Final answer
    x = 247,964.22

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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.