Home / 490,130.31-735,483.22-205,799.00

Finding the Fourth Proportional to 490,130.31, 735,483.22 and 205,799.00

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Solution

The fourth proportional to 490,130.31, 735,483.22 and 205,799.00 is: 308,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,130.31 : 735,483.22 = 205,799.00 : x
  2. Step 2: Convert to fraction form
    490,130.31/735,483.22 = 205,799.00/x
  3. Step 3: Cross multiply
    490,130.31x = 735,483.22 × 205,799.00
  4. Step 4: Simplify right side
    490,130.31x = 151,361,707,000.87
  5. Step 5: Solve for x
    x = 151,361,707,000.87/490,130.31
  6. Step 6: Final answer
    x = 308,819.32

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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.