Home / 279,586.08-385,833.24-152,261.64

Finding the Fourth Proportional to 279,586.08, 385,833.24 and 152,261.64

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Solution

The fourth proportional to 279,586.08, 385,833.24 and 152,261.64 is: 210,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,586.08 : 385,833.24 = 152,261.64 : x
  2. Step 2: Convert to fraction form
    279,586.08/385,833.24 = 152,261.64/x
  3. Step 3: Cross multiply
    279,586.08x = 385,833.24 × 152,261.64
  4. Step 4: Simplify right side
    279,586.08x = 58,747,601,888.91
  5. Step 5: Solve for x
    x = 58,747,601,888.91/279,586.08
  6. Step 6: Final answer
    x = 210,123.49

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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.