Home / 495,157.11-683,333.19-280,292.73

Finding the Fourth Proportional to 495,157.11, 683,333.19 and 280,292.73

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Solution

The fourth proportional to 495,157.11, 683,333.19 and 280,292.73 is: 386,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,157.11 : 683,333.19 = 280,292.73 : x
  2. Step 2: Convert to fraction form
    495,157.11/683,333.19 = 280,292.73/x
  3. Step 3: Cross multiply
    495,157.11x = 683,333.19 × 280,292.73
  4. Step 4: Simplify right side
    495,157.11x = 191,533,325,324.71
  5. Step 5: Solve for x
    x = 191,533,325,324.71/495,157.11
  6. Step 6: Final answer
    x = 386,813.24

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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.