Home / 345,961.94-519,012.93-146,282

Finding the Fourth Proportional to 345,961.94, 519,012.93 and 146,282

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Solution

The fourth proportional to 345,961.94, 519,012.93 and 146,282 is: 219,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,961.94 : 519,012.93 = 146,282 : x
  2. Step 2: Convert to fraction form
    345,961.94/519,012.93 = 146,282/x
  3. Step 3: Cross multiply
    345,961.94x = 519,012.93 × 146,282
  4. Step 4: Simplify right side
    345,961.94x = 75,922,249,426.26
  5. Step 5: Solve for x
    x = 75,922,249,426.26/345,961.94
  6. Step 6: Final answer
    x = 219,452.61

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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.