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Finding the Fourth Proportional to 365,028, 503,733.40 and 203,885.40

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Solution

The fourth proportional to 365,028, 503,733.40 and 203,885.40 is: 281,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,028 : 503,733.40 = 203,885.40 : x
  2. Step 2: Convert to fraction form
    365,028/503,733.40 = 203,885.40/x
  3. Step 3: Cross multiply
    365,028x = 503,733.40 × 203,885.40
  4. Step 4: Simplify right side
    365,028x = 102,703,885,752.36
  5. Step 5: Solve for x
    x = 102,703,885,752.36/365,028
  6. Step 6: Final answer
    x = 281,358.93

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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.