Home / 627,762.15-941,645.96-154,446.14

Finding the Fourth Proportional to 627,762.15, 941,645.96 and 154,446.14

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Solution

The fourth proportional to 627,762.15, 941,645.96 and 154,446.14 is: 231,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,762.15 : 941,645.96 = 154,446.14 : x
  2. Step 2: Convert to fraction form
    627,762.15/941,645.96 = 154,446.14/x
  3. Step 3: Cross multiply
    627,762.15x = 941,645.96 × 154,446.14
  4. Step 4: Simplify right side
    627,762.15x = 145,433,585,929.65
  5. Step 5: Solve for x
    x = 145,433,585,929.65/627,762.15
  6. Step 6: Final answer
    x = 231,669.89

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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.