Home / 282,944.84-390,475.02-155,632.28

Finding the Fourth Proportional to 282,944.84, 390,475.02 and 155,632.28

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Solution

The fourth proportional to 282,944.84, 390,475.02 and 155,632.28 is: 214,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,944.84 : 390,475.02 = 155,632.28 : x
  2. Step 2: Convert to fraction form
    282,944.84/390,475.02 = 155,632.28/x
  3. Step 3: Cross multiply
    282,944.84x = 390,475.02 × 155,632.28
  4. Step 4: Simplify right side
    282,944.84x = 60,770,517,645.65
  5. Step 5: Solve for x
    x = 60,770,517,645.65/282,944.84
  6. Step 6: Final answer
    x = 214,778.67

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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.