Home / 305,078.82-457,622.13-210,283.56

Finding the Fourth Proportional to 305,078.82, 457,622.13 and 210,283.56

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Solution

The fourth proportional to 305,078.82, 457,622.13 and 210,283.56 is: 315,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,078.82 : 457,622.13 = 210,283.56 : x
  2. Step 2: Convert to fraction form
    305,078.82/457,622.13 = 210,283.56/x
  3. Step 3: Cross multiply
    305,078.82x = 457,622.13 × 210,283.56
  4. Step 4: Simplify right side
    305,078.82x = 96,230,410,631.18
  5. Step 5: Solve for x
    x = 96,230,410,631.18/305,078.82
  6. Step 6: Final answer
    x = 315,428.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.