Home / 330,968.74-496,662.89-141,430.42

Finding the Fourth Proportional to 330,968.74, 496,662.89 and 141,430.42

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Solution

The fourth proportional to 330,968.74, 496,662.89 and 141,430.42 is: 212,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,968.74 : 496,662.89 = 141,430.42 : x
  2. Step 2: Convert to fraction form
    330,968.74/496,662.89 = 141,430.42/x
  3. Step 3: Cross multiply
    330,968.74x = 496,662.89 × 141,430.42
  4. Step 4: Simplify right side
    330,968.74x = 70,243,241,131.11
  5. Step 5: Solve for x
    x = 70,243,241,131.11/330,968.74
  6. Step 6: Final answer
    x = 212,235.27

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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.