Home / 339,948.34-469,137.56-186,990.47

Finding the Fourth Proportional to 339,948.34, 469,137.56 and 186,990.47

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Solution

The fourth proportional to 339,948.34, 469,137.56 and 186,990.47 is: 258,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,948.34 : 469,137.56 = 186,990.47 : x
  2. Step 2: Convert to fraction form
    339,948.34/469,137.56 = 186,990.47/x
  3. Step 3: Cross multiply
    339,948.34x = 469,137.56 × 186,990.47
  4. Step 4: Simplify right side
    339,948.34x = 87,724,251,904.10
  5. Step 5: Solve for x
    x = 87,724,251,904.10/339,948.34
  6. Step 6: Final answer
    x = 258,051.72

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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.