Home / 331,967.04-458,083.80-188,699.10

Finding the Fourth Proportional to 331,967.04, 458,083.80 and 188,699.10

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Solution

The fourth proportional to 331,967.04, 458,083.80 and 188,699.10 is: 260,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,967.04 : 458,083.80 = 188,699.10 : x
  2. Step 2: Convert to fraction form
    331,967.04/458,083.80 = 188,699.10/x
  3. Step 3: Cross multiply
    331,967.04x = 458,083.80 × 188,699.10
  4. Step 4: Simplify right side
    331,967.04x = 86,440,000,784.58
  5. Step 5: Solve for x
    x = 86,440,000,784.58/331,967.04
  6. Step 6: Final answer
    x = 260,387.30

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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.