Home / 282,616.56-390,009.33-155,299.14

Finding the Fourth Proportional to 282,616.56, 390,009.33 and 155,299.14

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Solution

The fourth proportional to 282,616.56, 390,009.33 and 155,299.14 is: 214,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,616.56 : 390,009.33 = 155,299.14 : x
  2. Step 2: Convert to fraction form
    282,616.56/390,009.33 = 155,299.14/x
  3. Step 3: Cross multiply
    282,616.56x = 390,009.33 × 155,299.14
  4. Step 4: Simplify right side
    282,616.56x = 60,568,113,540.98
  5. Step 5: Solve for x
    x = 60,568,113,540.98/282,616.56
  6. Step 6: Final answer
    x = 214,311.98

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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.