Home / 495,890.23-743,399.28-196,581.05

Finding the Fourth Proportional to 495,890.23, 743,399.28 and 196,581.05

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Solution

The fourth proportional to 495,890.23, 743,399.28 and 196,581.05 is: 294,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,890.23 : 743,399.28 = 196,581.05 : x
  2. Step 2: Convert to fraction form
    495,890.23/743,399.28 = 196,581.05/x
  3. Step 3: Cross multiply
    495,890.23x = 743,399.28 × 196,581.05
  4. Step 4: Simplify right side
    495,890.23x = 146,138,210,048.74
  5. Step 5: Solve for x
    x = 146,138,210,048.74/495,890.23
  6. Step 6: Final answer
    x = 294,698.71

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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.