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Finding the Fourth Proportional to 411,274.17, 567,570.78 and 229,993.74

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Solution

The fourth proportional to 411,274.17, 567,570.78 and 229,993.74 is: 317,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,274.17 : 567,570.78 = 229,993.74 : x
  2. Step 2: Convert to fraction form
    411,274.17/567,570.78 = 229,993.74/x
  3. Step 3: Cross multiply
    411,274.17x = 567,570.78 × 229,993.74
  4. Step 4: Simplify right side
    411,274.17x = 130,537,726,406.92
  5. Step 5: Solve for x
    x = 130,537,726,406.92/411,274.17
  6. Step 6: Final answer
    x = 317,398.31

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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.