Home / 323,837.67-485,788.91-99,195.51

Finding the Fourth Proportional to 323,837.67, 485,788.91 and 99,195.51

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Solution

The fourth proportional to 323,837.67, 485,788.91 and 99,195.51 is: 148,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,837.67 : 485,788.91 = 99,195.51 : x
  2. Step 2: Convert to fraction form
    323,837.67/485,788.91 = 99,195.51/x
  3. Step 3: Cross multiply
    323,837.67x = 485,788.91 × 99,195.51
  4. Step 4: Simplify right side
    323,837.67x = 48,188,075,754.87
  5. Step 5: Solve for x
    x = 48,188,075,754.87/323,837.67
  6. Step 6: Final answer
    x = 148,803.18

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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.