Home / 286,001.97-394,681.62-156,942.60

Finding the Fourth Proportional to 286,001.97, 394,681.62 and 156,942.60

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Solution

The fourth proportional to 286,001.97, 394,681.62 and 156,942.60 is: 216,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,001.97 : 394,681.62 = 156,942.60 : x
  2. Step 2: Convert to fraction form
    286,001.97/394,681.62 = 156,942.60/x
  3. Step 3: Cross multiply
    286,001.97x = 394,681.62 × 156,942.60
  4. Step 4: Simplify right side
    286,001.97x = 61,942,358,723.49
  5. Step 5: Solve for x
    x = 61,942,358,723.49/286,001.97
  6. Step 6: Final answer
    x = 216,580.18

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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.