Home / 320,865.12-481,155.50-171,077.50

Finding the Fourth Proportional to 320,865.12, 481,155.50 and 171,077.50

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Solution

The fourth proportional to 320,865.12, 481,155.50 and 171,077.50 is: 256,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,865.12 : 481,155.50 = 171,077.50 : x
  2. Step 2: Convert to fraction form
    320,865.12/481,155.50 = 171,077.50/x
  3. Step 3: Cross multiply
    320,865.12x = 481,155.50 × 171,077.50
  4. Step 4: Simplify right side
    320,865.12x = 82,314,880,051.25
  5. Step 5: Solve for x
    x = 82,314,880,051.25/320,865.12
  6. Step 6: Final answer
    x = 256,540.44

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1.5x scale

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.