Home / 279,566.12-385,807.40-152,241.72

Finding the Fourth Proportional to 279,566.12, 385,807.40 and 152,241.72

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Solution

The fourth proportional to 279,566.12, 385,807.40 and 152,241.72 is: 210,096.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,566.12 : 385,807.40 = 152,241.72 : x
  2. Step 2: Convert to fraction form
    279,566.12/385,807.40 = 152,241.72/x
  3. Step 3: Cross multiply
    279,566.12x = 385,807.40 × 152,241.72
  4. Step 4: Simplify right side
    279,566.12x = 58,735,982,164.73
  5. Step 5: Solve for x
    x = 58,735,982,164.73/279,566.12
  6. Step 6: Final answer
    x = 210,096.93

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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.