Home / 328,730.85-493,115.03-92,091.98

Finding the Fourth Proportional to 328,730.85, 493,115.03 and 92,091.98

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Solution

The fourth proportional to 328,730.85, 493,115.03 and 92,091.98 is: 138,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,730.85 : 493,115.03 = 92,091.98 : x
  2. Step 2: Convert to fraction form
    328,730.85/493,115.03 = 92,091.98/x
  3. Step 3: Cross multiply
    328,730.85x = 493,115.03 × 92,091.98
  4. Step 4: Simplify right side
    328,730.85x = 45,411,940,252.79
  5. Step 5: Solve for x
    x = 45,411,940,252.79/328,730.85
  6. Step 6: Final answer
    x = 138,143.23

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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.