Home / 328,877.06-493,390.31-104,251.50

Finding the Fourth Proportional to 328,877.06, 493,390.31 and 104,251.50

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Solution

The fourth proportional to 328,877.06, 493,390.31 and 104,251.50 is: 156,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,877.06 : 493,390.31 = 104,251.50 : x
  2. Step 2: Convert to fraction form
    328,877.06/493,390.31 = 104,251.50/x
  3. Step 3: Cross multiply
    328,877.06x = 493,390.31 × 104,251.50
  4. Step 4: Simplify right side
    328,877.06x = 51,436,679,381.71
  5. Step 5: Solve for x
    x = 51,436,679,381.71/328,877.06
  6. Step 6: Final answer
    x = 156,400.94

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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.