Home / 260,992.13-391,089.67-186,269.63

Finding the Fourth Proportional to 260,992.13, 391,089.67 and 186,269.63

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Solution

The fourth proportional to 260,992.13, 391,089.67 and 186,269.63 is: 279,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,992.13 : 391,089.67 = 186,269.63 : x
  2. Step 2: Convert to fraction form
    260,992.13/391,089.67 = 186,269.63/x
  3. Step 3: Cross multiply
    260,992.13x = 391,089.67 × 186,269.63
  4. Step 4: Simplify right side
    260,992.13x = 72,848,125,706.60
  5. Step 5: Solve for x
    x = 72,848,125,706.60/260,992.13
  6. Step 6: Final answer
    x = 279,120.01

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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.