Home / 305,551.38-458,320.03-179,988.16

Finding the Fourth Proportional to 305,551.38, 458,320.03 and 179,988.16

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Solution

The fourth proportional to 305,551.38, 458,320.03 and 179,988.16 is: 269,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,551.38 : 458,320.03 = 179,988.16 : x
  2. Step 2: Convert to fraction form
    305,551.38/458,320.03 = 179,988.16/x
  3. Step 3: Cross multiply
    305,551.38x = 458,320.03 × 179,988.16
  4. Step 4: Simplify right side
    305,551.38x = 82,492,178,890.84
  5. Step 5: Solve for x
    x = 82,492,178,890.84/305,551.38
  6. Step 6: Final answer
    x = 269,978.09

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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.