Home / 445,841.12-668,450.64-165,283.04

Finding the Fourth Proportional to 445,841.12, 668,450.64 and 165,283.04

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Solution

The fourth proportional to 445,841.12, 668,450.64 and 165,283.04 is: 247,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,841.12 : 668,450.64 = 165,283.04 : x
  2. Step 2: Convert to fraction form
    445,841.12/668,450.64 = 165,283.04/x
  3. Step 3: Cross multiply
    445,841.12x = 668,450.64 × 165,283.04
  4. Step 4: Simplify right side
    445,841.12x = 110,483,553,869.15
  5. Step 5: Solve for x
    x = 110,483,553,869.15/445,841.12
  6. Step 6: Final answer
    x = 247,809.25

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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.