Home / 279,664.84-385,935.50-152,340.44

Finding the Fourth Proportional to 279,664.84, 385,935.50 and 152,340.44

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Solution

The fourth proportional to 279,664.84, 385,935.50 and 152,340.44 is: 210,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,664.84 : 385,935.50 = 152,340.44 : x
  2. Step 2: Convert to fraction form
    279,664.84/385,935.50 = 152,340.44/x
  3. Step 3: Cross multiply
    279,664.84x = 385,935.50 × 152,340.44
  4. Step 4: Simplify right side
    279,664.84x = 58,793,583,881.62
  5. Step 5: Solve for x
    x = 58,793,583,881.62/279,664.84
  6. Step 6: Final answer
    x = 210,228.73

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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.