Home / 331,461.11-457,395.86-195,500.79

Finding the Fourth Proportional to 331,461.11, 457,395.86 and 195,500.79

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Solution

The fourth proportional to 331,461.11, 457,395.86 and 195,500.79 is: 269,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,461.11 : 457,395.86 = 195,500.79 : x
  2. Step 2: Convert to fraction form
    331,461.11/457,395.86 = 195,500.79/x
  3. Step 3: Cross multiply
    331,461.11x = 457,395.86 × 195,500.79
  4. Step 4: Simplify right side
    331,461.11x = 89,421,252,461.48
  5. Step 5: Solve for x
    x = 89,421,252,461.48/331,461.11
  6. Step 6: Final answer
    x = 269,779.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.