Home / 345,977.84-519,036.78-146,297.92

Finding the Fourth Proportional to 345,977.84, 519,036.78 and 146,297.92

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Solution

The fourth proportional to 345,977.84, 519,036.78 and 146,297.92 is: 219,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,977.84 : 519,036.78 = 146,297.92 : x
  2. Step 2: Convert to fraction form
    345,977.84/519,036.78 = 146,297.92/x
  3. Step 3: Cross multiply
    345,977.84x = 519,036.78 × 146,297.92
  4. Step 4: Simplify right side
    345,977.84x = 75,934,001,317.50
  5. Step 5: Solve for x
    x = 75,934,001,317.50/345,977.84
  6. Step 6: Final answer
    x = 219,476.49

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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.