Home / 282,694.44-390,101.85-155,370.14

Finding the Fourth Proportional to 282,694.44, 390,101.85 and 155,370.14

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Solution

The fourth proportional to 282,694.44, 390,101.85 and 155,370.14 is: 214,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,694.44 : 390,101.85 = 155,370.14 : x
  2. Step 2: Convert to fraction form
    282,694.44/390,101.85 = 155,370.14/x
  3. Step 3: Cross multiply
    282,694.44x = 390,101.85 × 155,370.14
  4. Step 4: Simplify right side
    282,694.44x = 60,610,179,048.76
  5. Step 5: Solve for x
    x = 60,610,179,048.76/282,694.44
  6. Step 6: Final answer
    x = 214,401.74

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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.