Home / 627,637.67-941,448.30-154,327.13

Finding the Fourth Proportional to 627,637.67, 941,448.30 and 154,327.13

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Solution

The fourth proportional to 627,637.67, 941,448.30 and 154,327.13 is: 231,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,637.67 : 941,448.30 = 154,327.13 : x
  2. Step 2: Convert to fraction form
    627,637.67/941,448.30 = 154,327.13/x
  3. Step 3: Cross multiply
    627,637.67x = 941,448.30 × 154,327.13
  4. Step 4: Simplify right side
    627,637.67x = 145,291,014,182.38
  5. Step 5: Solve for x
    x = 145,291,014,182.38/627,637.67
  6. Step 6: Final answer
    x = 231,488.68

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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.