Home / 320,834.55-481,085.71-171,034.60

Finding the Fourth Proportional to 320,834.55, 481,085.71 and 171,034.60

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Solution

The fourth proportional to 320,834.55, 481,085.71 and 171,034.60 is: 256,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,834.55 : 481,085.71 = 171,034.60 : x
  2. Step 2: Convert to fraction form
    320,834.55/481,085.71 = 171,034.60/x
  3. Step 3: Cross multiply
    320,834.55x = 481,085.71 × 171,034.60
  4. Step 4: Simplify right side
    320,834.55x = 82,282,301,975.57
  5. Step 5: Solve for x
    x = 82,282,301,975.57/320,834.55
  6. Step 6: Final answer
    x = 256,463.35

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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.