Home / 495,016.95-683,134.26-280,157.16

Finding the Fourth Proportional to 495,016.95, 683,134.26 and 280,157.16

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Solution

The fourth proportional to 495,016.95, 683,134.26 and 280,157.16 is: 386,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,016.95 : 683,134.26 = 280,157.16 : x
  2. Step 2: Convert to fraction form
    495,016.95/683,134.26 = 280,157.16/x
  3. Step 3: Cross multiply
    495,016.95x = 683,134.26 × 280,157.16
  4. Step 4: Simplify right side
    495,016.95x = 191,384,954,180.30
  5. Step 5: Solve for x
    x = 191,384,954,180.30/495,016.95
  6. Step 6: Final answer
    x = 386,623.03

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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.