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Finding the Fourth Proportional to 365,045.95, 503,758.02 and 203,903.38

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Solution

The fourth proportional to 365,045.95, 503,758.02 and 203,903.38 is: 281,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,045.95 : 503,758.02 = 203,903.38 : x
  2. Step 2: Convert to fraction form
    365,045.95/503,758.02 = 203,903.38/x
  3. Step 3: Cross multiply
    365,045.95x = 503,758.02 × 203,903.38
  4. Step 4: Simplify right side
    365,045.95x = 102,717,962,980.11
  5. Step 5: Solve for x
    x = 102,717,962,980.11/365,045.95
  6. Step 6: Final answer
    x = 281,383.65

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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.