Home / 476,145.57-657,090.92-261,283.76

Finding the Fourth Proportional to 476,145.57, 657,090.92 and 261,283.76

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Solution

The fourth proportional to 476,145.57, 657,090.92 and 261,283.76 is: 360,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,145.57 : 657,090.92 = 261,283.76 : x
  2. Step 2: Convert to fraction form
    476,145.57/657,090.92 = 261,283.76/x
  3. Step 3: Cross multiply
    476,145.57x = 657,090.92 × 261,283.76
  4. Step 4: Simplify right side
    476,145.57x = 171,687,183,607.21
  5. Step 5: Solve for x
    x = 171,687,183,607.21/476,145.57
  6. Step 6: Final answer
    x = 360,577.09

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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.