Home / 627,642.67-941,455.80-154,332.13

Finding the Fourth Proportional to 627,642.67, 941,455.80 and 154,332.13

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Solution

The fourth proportional to 627,642.67, 941,455.80 and 154,332.13 is: 231,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,642.67 : 941,455.80 = 154,332.13 : x
  2. Step 2: Convert to fraction form
    627,642.67/941,455.80 = 154,332.13/x
  3. Step 3: Cross multiply
    627,642.67x = 941,455.80 × 154,332.13
  4. Step 4: Simplify right side
    627,642.67x = 145,296,878,914.85
  5. Step 5: Solve for x
    x = 145,296,878,914.85/627,642.67
  6. Step 6: Final answer
    x = 231,496.18

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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.