Home / 294,505.20-406,393.27-165,436.65

Finding the Fourth Proportional to 294,505.20, 406,393.27 and 165,436.65

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Solution

The fourth proportional to 294,505.20, 406,393.27 and 165,436.65 is: 228,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,505.20 : 406,393.27 = 165,436.65 : x
  2. Step 2: Convert to fraction form
    294,505.20/406,393.27 = 165,436.65/x
  3. Step 3: Cross multiply
    294,505.20x = 406,393.27 × 165,436.65
  4. Step 4: Simplify right side
    294,505.20x = 67,232,340,757.75
  5. Step 5: Solve for x
    x = 67,232,340,757.75/294,505.20
  6. Step 6: Final answer
    x = 228,289.15

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1.5x scale

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.