Home / 330,829.80-496,001.70-131,051.40

Finding the Fourth Proportional to 330,829.80, 496,001.70 and 131,051.40

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Solution

The fourth proportional to 330,829.80, 496,001.70 and 131,051.40 is: 196,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,829.80 : 496,001.70 = 131,051.40 : x
  2. Step 2: Convert to fraction form
    330,829.80/496,001.70 = 131,051.40/x
  3. Step 3: Cross multiply
    330,829.80x = 496,001.70 × 131,051.40
  4. Step 4: Simplify right side
    330,829.80x = 65,001,717,187.38
  5. Step 5: Solve for x
    x = 65,001,717,187.38/330,829.80
  6. Step 6: Final answer
    x = 196,480.84

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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.