Home / 282,800.34-390,260.97-155,474.82

Finding the Fourth Proportional to 282,800.34, 390,260.97 and 155,474.82

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Solution

The fourth proportional to 282,800.34, 390,260.97 and 155,474.82 is: 214,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,800.34 : 390,260.97 = 155,474.82 : x
  2. Step 2: Convert to fraction form
    282,800.34/390,260.97 = 155,474.82/x
  3. Step 3: Cross multiply
    282,800.34x = 390,260.97 × 155,474.82
  4. Step 4: Simplify right side
    282,800.34x = 60,675,754,063.78
  5. Step 5: Solve for x
    x = 60,675,754,063.78/282,800.34
  6. Step 6: Final answer
    x = 214,553.33

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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.