Home / 328,764.66-493,141.62-104,124.76

Finding the Fourth Proportional to 328,764.66, 493,141.62 and 104,124.76

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Solution

The fourth proportional to 328,764.66, 493,141.62 and 104,124.76 is: 156,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,764.66 : 493,141.62 = 104,124.76 : x
  2. Step 2: Convert to fraction form
    328,764.66/493,141.62 = 104,124.76/x
  3. Step 3: Cross multiply
    328,764.66x = 493,141.62 × 104,124.76
  4. Step 4: Simplify right side
    328,764.66x = 51,348,252,828.51
  5. Step 5: Solve for x
    x = 51,348,252,828.51/328,764.66
  6. Step 6: Final answer
    x = 156,185.44

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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.