Home / 286,158.57-394,916.76-158,836.29

Finding the Fourth Proportional to 286,158.57, 394,916.76 and 158,836.29

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Solution

The fourth proportional to 286,158.57, 394,916.76 and 158,836.29 is: 219,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,158.57 : 394,916.76 = 158,836.29 : x
  2. Step 2: Convert to fraction form
    286,158.57/394,916.76 = 158,836.29/x
  3. Step 3: Cross multiply
    286,158.57x = 394,916.76 × 158,836.29
  4. Step 4: Simplify right side
    286,158.57x = 62,727,113,017.22
  5. Step 5: Solve for x
    x = 62,727,113,017.22/286,158.57
  6. Step 6: Final answer
    x = 219,204.03

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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.