Home / 345,788.24-518,682.33-109,296.98

Finding the Fourth Proportional to 345,788.24, 518,682.33 and 109,296.98

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Solution

The fourth proportional to 345,788.24, 518,682.33 and 109,296.98 is: 163,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,788.24 : 518,682.33 = 109,296.98 : x
  2. Step 2: Convert to fraction form
    345,788.24/518,682.33 = 109,296.98/x
  3. Step 3: Cross multiply
    345,788.24x = 518,682.33 × 109,296.98
  4. Step 4: Simplify right side
    345,788.24x = 56,690,412,248.36
  5. Step 5: Solve for x
    x = 56,690,412,248.36/345,788.24
  6. Step 6: Final answer
    x = 163,945.46

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1.5x scale

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.