Home / 214,985.31-322,607.61-74,842.35

Finding the Fourth Proportional to 214,985.31, 322,607.61 and 74,842.35

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Solution

The fourth proportional to 214,985.31, 322,607.61 and 74,842.35 is: 112,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,985.31 : 322,607.61 = 74,842.35 : x
  2. Step 2: Convert to fraction form
    214,985.31/322,607.61 = 74,842.35/x
  3. Step 3: Cross multiply
    214,985.31x = 322,607.61 × 74,842.35
  4. Step 4: Simplify right side
    214,985.31x = 24,144,711,660.28
  5. Step 5: Solve for x
    x = 24,144,711,660.28/214,985.31
  6. Step 6: Final answer
    x = 112,308.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.