Home / 279,271.94-385,383.76-151,948.04

Finding the Fourth Proportional to 279,271.94, 385,383.76 and 151,948.04

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Solution

The fourth proportional to 279,271.94, 385,383.76 and 151,948.04 is: 209,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,271.94 : 385,383.76 = 151,948.04 : x
  2. Step 2: Convert to fraction form
    279,271.94/385,383.76 = 151,948.04/x
  3. Step 3: Cross multiply
    279,271.94x = 385,383.76 × 151,948.04
  4. Step 4: Simplify right side
    279,271.94x = 58,558,304,673.04
  5. Step 5: Solve for x
    x = 58,558,304,673.04/279,271.94
  6. Step 6: Final answer
    x = 209,682.02

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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.