Home / 347,137.23-521,001.72-136,922.79

Finding the Fourth Proportional to 347,137.23, 521,001.72 and 136,922.79

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Solution

The fourth proportional to 347,137.23, 521,001.72 and 136,922.79 is: 205,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,137.23 : 521,001.72 = 136,922.79 : x
  2. Step 2: Convert to fraction form
    347,137.23/521,001.72 = 136,922.79/x
  3. Step 3: Cross multiply
    347,137.23x = 521,001.72 × 136,922.79
  4. Step 4: Simplify right side
    347,137.23x = 71,337,009,097.20
  5. Step 5: Solve for x
    x = 71,337,009,097.20/347,137.23
  6. Step 6: Final answer
    x = 205,500.89

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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.