Home / 212,646.30-293,254.79-155,194.62

Finding the Fourth Proportional to 212,646.30, 293,254.79 and 155,194.62

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Solution

The fourth proportional to 212,646.30, 293,254.79 and 155,194.62 is: 214,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,646.30 : 293,254.79 = 155,194.62 : x
  2. Step 2: Convert to fraction form
    212,646.30/293,254.79 = 155,194.62/x
  3. Step 3: Cross multiply
    212,646.30x = 293,254.79 × 155,194.62
  4. Step 4: Simplify right side
    212,646.30x = 45,511,566,573.21
  5. Step 5: Solve for x
    x = 45,511,566,573.21/212,646.30
  6. Step 6: Final answer
    x = 214,024.73

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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.