Home / 513,933.36-771,098.76-198,302.64

Finding the Fourth Proportional to 513,933.36, 771,098.76 and 198,302.64

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Solution

The fourth proportional to 513,933.36, 771,098.76 and 198,302.64 is: 297,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,933.36 : 771,098.76 = 198,302.64 : x
  2. Step 2: Convert to fraction form
    513,933.36/771,098.76 = 198,302.64/x
  3. Step 3: Cross multiply
    513,933.36x = 771,098.76 × 198,302.64
  4. Step 4: Simplify right side
    513,933.36x = 152,910,919,808.73
  5. Step 5: Solve for x
    x = 152,910,919,808.73/513,933.36
  6. Step 6: Final answer
    x = 297,530.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.