Home / 627,522.72-941,275.80-154,212.24

Finding the Fourth Proportional to 627,522.72, 941,275.80 and 154,212.24

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Solution

The fourth proportional to 627,522.72, 941,275.80 and 154,212.24 is: 231,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,522.72 : 941,275.80 = 154,212.24 : x
  2. Step 2: Convert to fraction form
    627,522.72/941,275.80 = 154,212.24/x
  3. Step 3: Cross multiply
    627,522.72x = 941,275.80 × 154,212.24
  4. Step 4: Simplify right side
    627,522.72x = 145,156,249,575.79
  5. Step 5: Solve for x
    x = 145,156,249,575.79/627,522.72
  6. Step 6: Final answer
    x = 231,316.33

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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.