Home / 476,109.21-657,028.89-261,252.87

Finding the Fourth Proportional to 476,109.21, 657,028.89 and 261,252.87

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Solution

The fourth proportional to 476,109.21, 657,028.89 and 261,252.87 is: 360,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,109.21 : 657,028.89 = 261,252.87 : x
  2. Step 2: Convert to fraction form
    476,109.21/657,028.89 = 261,252.87/x
  3. Step 3: Cross multiply
    476,109.21x = 657,028.89 × 261,252.87
  4. Step 4: Simplify right side
    476,109.21x = 171,650,683,185.41
  5. Step 5: Solve for x
    x = 171,650,683,185.41/476,109.21
  6. Step 6: Final answer
    x = 360,527.96

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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.