Home / 286,172.45-394,898.21-158,838.02

Finding the Fourth Proportional to 286,172.45, 394,898.21 and 158,838.02

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Solution

The fourth proportional to 286,172.45, 394,898.21 and 158,838.02 is: 219,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,172.45 : 394,898.21 = 158,838.02 : x
  2. Step 2: Convert to fraction form
    286,172.45/394,898.21 = 158,838.02/x
  3. Step 3: Cross multiply
    286,172.45x = 394,898.21 × 158,838.02
  4. Step 4: Simplify right side
    286,172.45x = 62,724,849,777.94
  5. Step 5: Solve for x
    x = 62,724,849,777.94/286,172.45
  6. Step 6: Final answer
    x = 219,185.49

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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.