Home / 320,862.12-481,151-171,074.50

Finding the Fourth Proportional to 320,862.12, 481,151 and 171,074.50

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Solution

The fourth proportional to 320,862.12, 481,151 and 171,074.50 is: 256,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,862.12 : 481,151 = 171,074.50 : x
  2. Step 2: Convert to fraction form
    320,862.12/481,151 = 171,074.50/x
  3. Step 3: Cross multiply
    320,862.12x = 481,151 × 171,074.50
  4. Step 4: Simplify right side
    320,862.12x = 82,312,666,749.50
  5. Step 5: Solve for x
    x = 82,312,666,749.50/320,862.12
  6. Step 6: Final answer
    x = 256,535.94

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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.