Home / 627,646.16-941,461.05-154,335.62

Finding the Fourth Proportional to 627,646.16, 941,461.05 and 154,335.62

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Solution

The fourth proportional to 627,646.16, 941,461.05 and 154,335.62 is: 231,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,646.16 : 941,461.05 = 154,335.62 : x
  2. Step 2: Convert to fraction form
    627,646.16/941,461.05 = 154,335.62/x
  3. Step 3: Cross multiply
    627,646.16x = 941,461.05 × 154,335.62
  4. Step 4: Simplify right side
    627,646.16x = 145,300,974,857.60
  5. Step 5: Solve for x
    x = 145,300,974,857.60/627,646.16
  6. Step 6: Final answer
    x = 231,501.42

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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.