Home / 627,643.67-941,457.30-154,333.13

Finding the Fourth Proportional to 627,643.67, 941,457.30 and 154,333.13

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Solution

The fourth proportional to 627,643.67, 941,457.30 and 154,333.13 is: 231,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,643.67 : 941,457.30 = 154,333.13 : x
  2. Step 2: Convert to fraction form
    627,643.67/941,457.30 = 154,333.13/x
  3. Step 3: Cross multiply
    627,643.67x = 941,457.30 × 154,333.13
  4. Step 4: Simplify right side
    627,643.67x = 145,298,051,870.35
  5. Step 5: Solve for x
    x = 145,298,051,870.35/627,643.67
  6. Step 6: Final answer
    x = 231,497.68

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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.