Home / 605,155.95-835,082.15-333,172.20

Finding the Fourth Proportional to 605,155.95, 835,082.15 and 333,172.20

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Solution

The fourth proportional to 605,155.95, 835,082.15 and 333,172.20 is: 459,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,155.95 : 835,082.15 = 333,172.20 : x
  2. Step 2: Convert to fraction form
    605,155.95/835,082.15 = 333,172.20/x
  3. Step 3: Cross multiply
    605,155.95x = 835,082.15 × 333,172.20
  4. Step 4: Simplify right side
    605,155.95x = 278,226,157,929.16
  5. Step 5: Solve for x
    x = 278,226,157,929.16/605,155.95
  6. Step 6: Final answer
    x = 459,759.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.