Home / 320,834.80-481,057.28-160,724.52

Finding the Fourth Proportional to 320,834.80, 481,057.28 and 160,724.52

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Solution

The fourth proportional to 320,834.80, 481,057.28 and 160,724.52 is: 240,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,834.80 : 481,057.28 = 160,724.52 : x
  2. Step 2: Convert to fraction form
    320,834.80/481,057.28 = 160,724.52/x
  3. Step 3: Cross multiply
    320,834.80x = 481,057.28 × 160,724.52
  4. Step 4: Simplify right side
    320,834.80x = 77,317,700,420.51
  5. Step 5: Solve for x
    x = 77,317,700,420.51/320,834.80
  6. Step 6: Final answer
    x = 240,989.13

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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.