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Finding the Fourth Proportional to 324,179.46, 447,349.46 and 180,948.74

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Solution

The fourth proportional to 324,179.46, 447,349.46 and 180,948.74 is: 249,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,179.46 : 447,349.46 = 180,948.74 : x
  2. Step 2: Convert to fraction form
    324,179.46/447,349.46 = 180,948.74/x
  3. Step 3: Cross multiply
    324,179.46x = 447,349.46 × 180,948.74
  4. Step 4: Simplify right side
    324,179.46x = 80,947,317,985.19
  5. Step 5: Solve for x
    x = 80,947,317,985.19/324,179.46
  6. Step 6: Final answer
    x = 249,699.10

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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.