Home / 328,883.06-493,280.77-104,266.20

Finding the Fourth Proportional to 328,883.06, 493,280.77 and 104,266.20

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Solution

The fourth proportional to 328,883.06, 493,280.77 and 104,266.20 is: 156,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,883.06 : 493,280.77 = 104,266.20 : x
  2. Step 2: Convert to fraction form
    328,883.06/493,280.77 = 104,266.20/x
  3. Step 3: Cross multiply
    328,883.06x = 493,280.77 × 104,266.20
  4. Step 4: Simplify right side
    328,883.06x = 51,432,511,420.97
  5. Step 5: Solve for x
    x = 51,432,511,420.97/328,883.06
  6. Step 6: Final answer
    x = 156,385.41

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1.5x scale

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.