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Finding the Fourth Proportional to 476,228.15, 657,235.17 and 261,404.60

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Solution

The fourth proportional to 476,228.15, 657,235.17 and 261,404.60 is: 360,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,228.15 : 657,235.17 = 261,404.60 : x
  2. Step 2: Convert to fraction form
    476,228.15/657,235.17 = 261,404.60/x
  3. Step 3: Cross multiply
    476,228.15x = 657,235.17 × 261,404.60
  4. Step 4: Simplify right side
    476,228.15x = 171,804,293,433.61
  5. Step 5: Solve for x
    x = 171,804,293,433.61/476,228.15
  6. Step 6: Final answer
    x = 360,760.48

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