Home / 334,315.86-501,490.53-109,656.42

Finding the Fourth Proportional to 334,315.86, 501,490.53 and 109,656.42

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Solution

The fourth proportional to 334,315.86, 501,490.53 and 109,656.42 is: 164,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,315.86 : 501,490.53 = 109,656.42 : x
  2. Step 2: Convert to fraction form
    334,315.86/501,490.53 = 109,656.42/x
  3. Step 3: Cross multiply
    334,315.86x = 501,490.53 × 109,656.42
  4. Step 4: Simplify right side
    334,315.86x = 54,991,656,183.70
  5. Step 5: Solve for x
    x = 54,991,656,183.70/334,315.86
  6. Step 6: Final answer
    x = 164,490.12

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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.