Home / 351,977.19-486,129.45-238,603.11

Finding the Fourth Proportional to 351,977.19, 486,129.45 and 238,603.11

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Solution

The fourth proportional to 351,977.19, 486,129.45 and 238,603.11 is: 329,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977.19 : 486,129.45 = 238,603.11 : x
  2. Step 2: Convert to fraction form
    351,977.19/486,129.45 = 238,603.11/x
  3. Step 3: Cross multiply
    351,977.19x = 486,129.45 × 238,603.11
  4. Step 4: Simplify right side
    351,977.19x = 115,991,998,632.59
  5. Step 5: Solve for x
    x = 115,991,998,632.59/351,977.19
  6. Step 6: Final answer
    x = 329,544.08

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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.