Home / 286,030.88-394,717.56-158,704.28

Finding the Fourth Proportional to 286,030.88, 394,717.56 and 158,704.28

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Solution

The fourth proportional to 286,030.88, 394,717.56 and 158,704.28 is: 219,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,030.88 : 394,717.56 = 158,704.28 : x
  2. Step 2: Convert to fraction form
    286,030.88/394,717.56 = 158,704.28/x
  3. Step 3: Cross multiply
    286,030.88x = 394,717.56 × 158,704.28
  4. Step 4: Simplify right side
    286,030.88x = 62,643,366,163.16
  5. Step 5: Solve for x
    x = 62,643,366,163.16/286,030.88
  6. Step 6: Final answer
    x = 219,009.10

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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.