Home / 279,566.12-385,817.46-210,532

Finding the Fourth Proportional to 279,566.12, 385,817.46 and 210,532

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Solution

The fourth proportional to 279,566.12, 385,817.46 and 210,532 is: 290,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,566.12 : 385,817.46 = 210,532 : x
  2. Step 2: Convert to fraction form
    279,566.12/385,817.46 = 210,532/x
  3. Step 3: Cross multiply
    279,566.12x = 385,817.46 × 210,532
  4. Step 4: Simplify right side
    279,566.12x = 81,226,921,488.72
  5. Step 5: Solve for x
    x = 81,226,921,488.72/279,566.12
  6. Step 6: Final answer
    x = 290,546.37

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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.