Home / 418,943.59-578,154.47-227,969.29

Finding the Fourth Proportional to 418,943.59, 578,154.47 and 227,969.29

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Solution

The fourth proportional to 418,943.59, 578,154.47 and 227,969.29 is: 314,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,943.59 : 578,154.47 = 227,969.29 : x
  2. Step 2: Convert to fraction form
    418,943.59/578,154.47 = 227,969.29/x
  3. Step 3: Cross multiply
    418,943.59x = 578,154.47 × 227,969.29
  4. Step 4: Simplify right side
    418,943.59x = 131,801,464,036.23
  5. Step 5: Solve for x
    x = 131,801,464,036.23/418,943.59
  6. Step 6: Final answer
    x = 314,604.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.