Home / 284,651.11-392,818.92-163,790.00

Finding the Fourth Proportional to 284,651.11, 392,818.92 and 163,790.00

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Solution

The fourth proportional to 284,651.11, 392,818.92 and 163,790.00 is: 226,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,651.11 : 392,818.92 = 163,790.00 : x
  2. Step 2: Convert to fraction form
    284,651.11/392,818.92 = 163,790.00/x
  3. Step 3: Cross multiply
    284,651.11x = 392,818.92 × 163,790.00
  4. Step 4: Simplify right side
    284,651.11x = 64,339,809,801.56
  5. Step 5: Solve for x
    x = 64,339,809,801.56/284,651.11
  6. Step 6: Final answer
    x = 226,030.42

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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.