Home / 282,553.14-389,923.47-155,236.92

Finding the Fourth Proportional to 282,553.14, 389,923.47 and 155,236.92

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Solution

The fourth proportional to 282,553.14, 389,923.47 and 155,236.92 is: 214,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,553.14 : 389,923.47 = 155,236.92 : x
  2. Step 2: Convert to fraction form
    282,553.14/389,923.47 = 155,236.92/x
  3. Step 3: Cross multiply
    282,553.14x = 389,923.47 × 155,236.92
  4. Step 4: Simplify right side
    282,553.14x = 60,530,518,518.51
  5. Step 5: Solve for x
    x = 60,530,518,518.51/282,553.14
  6. Step 6: Final answer
    x = 214,227.02

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1.5x scale

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.