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Finding the Fourth Proportional to 417,436.84, 576,064.31 and 226,451.60

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Solution

The fourth proportional to 417,436.84, 576,064.31 and 226,451.60 is: 312,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,436.84 : 576,064.31 = 226,451.60 : x
  2. Step 2: Convert to fraction form
    417,436.84/576,064.31 = 226,451.60/x
  3. Step 3: Cross multiply
    417,436.84x = 576,064.31 × 226,451.60
  4. Step 4: Simplify right side
    417,436.84x = 130,450,682,850.06
  5. Step 5: Solve for x
    x = 130,450,682,850.06/417,436.84
  6. Step 6: Final answer
    x = 312,504.00

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1.5x scale

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.