Home / 279,380.43-385,545-152,056.95

Finding the Fourth Proportional to 279,380.43, 385,545 and 152,056.95

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Solution

The fourth proportional to 279,380.43, 385,545 and 152,056.95 is: 209,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,380.43 : 385,545 = 152,056.95 : x
  2. Step 2: Convert to fraction form
    279,380.43/385,545 = 152,056.95/x
  3. Step 3: Cross multiply
    279,380.43x = 385,545 × 152,056.95
  4. Step 4: Simplify right side
    279,380.43x = 58,624,796,787.75
  5. Step 5: Solve for x
    x = 58,624,796,787.75/279,380.43
  6. Step 6: Final answer
    x = 209,838.59

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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.