Home / 603,447.23-905,071.32-198,644.74

Finding the Fourth Proportional to 603,447.23, 905,071.32 and 198,644.74

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Solution

The fourth proportional to 603,447.23, 905,071.32 and 198,644.74 is: 297,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,447.23 : 905,071.32 = 198,644.74 : x
  2. Step 2: Convert to fraction form
    603,447.23/905,071.32 = 198,644.74/x
  3. Step 3: Cross multiply
    603,447.23x = 905,071.32 × 198,644.74
  4. Step 4: Simplify right side
    603,447.23x = 179,787,654,780.18
  5. Step 5: Solve for x
    x = 179,787,654,780.18/603,447.23
  6. Step 6: Final answer
    x = 297,934.34

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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.