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Finding the Fourth Proportional to 364,680.88, 503,258.52 and 203,534.16

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Solution

The fourth proportional to 364,680.88, 503,258.52 and 203,534.16 is: 280,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,680.88 : 503,258.52 = 203,534.16 : x
  2. Step 2: Convert to fraction form
    364,680.88/503,258.52 = 203,534.16/x
  3. Step 3: Cross multiply
    364,680.88x = 503,258.52 × 203,534.16
  4. Step 4: Simplify right side
    364,680.88x = 102,430,300,131.04
  5. Step 5: Solve for x
    x = 102,430,300,131.04/364,680.88
  6. Step 6: Final answer
    x = 280,876.53

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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.