Home / 280,727.34-387,135.98-183,786.54

Finding the Fourth Proportional to 280,727.34, 387,135.98 and 183,786.54

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Solution

The fourth proportional to 280,727.34, 387,135.98 and 183,786.54 is: 253,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,727.34 : 387,135.98 = 183,786.54 : x
  2. Step 2: Convert to fraction form
    280,727.34/387,135.98 = 183,786.54/x
  3. Step 3: Cross multiply
    280,727.34x = 387,135.98 × 183,786.54
  4. Step 4: Simplify right side
    280,727.34x = 71,150,382,273.71
  5. Step 5: Solve for x
    x = 71,150,382,273.71/280,727.34
  6. Step 6: Final answer
    x = 253,450.14

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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.