Home / 328,902.27-493,312.38-92,263.39

Finding the Fourth Proportional to 328,902.27, 493,312.38 and 92,263.39

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Solution

The fourth proportional to 328,902.27, 493,312.38 and 92,263.39 is: 138,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,902.27 : 493,312.38 = 92,263.39 : x
  2. Step 2: Convert to fraction form
    328,902.27/493,312.38 = 92,263.39/x
  3. Step 3: Cross multiply
    328,902.27x = 493,312.38 × 92,263.39
  4. Step 4: Simplify right side
    328,902.27x = 45,514,672,507.77
  5. Step 5: Solve for x
    x = 45,514,672,507.77/328,902.27
  6. Step 6: Final answer
    x = 138,383.58

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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.