Home / 627,521.22-941,273.55-154,210.74

Finding the Fourth Proportional to 627,521.22, 941,273.55 and 154,210.74

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Solution

The fourth proportional to 627,521.22, 941,273.55 and 154,210.74 is: 231,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,521.22 : 941,273.55 = 154,210.74 : x
  2. Step 2: Convert to fraction form
    627,521.22/941,273.55 = 154,210.74/x
  3. Step 3: Cross multiply
    627,521.22x = 941,273.55 × 154,210.74
  4. Step 4: Simplify right side
    627,521.22x = 145,154,490,687.93
  5. Step 5: Solve for x
    x = 145,154,490,687.93/627,521.22
  6. Step 6: Final answer
    x = 231,314.08

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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.