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Finding the Fourth Proportional to 254,768.08, 382,151.60 and 67,779.60

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Solution

The fourth proportional to 254,768.08, 382,151.60 and 67,779.60 is: 101,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,768.08 : 382,151.60 = 67,779.60 : x
  2. Step 2: Convert to fraction form
    254,768.08/382,151.60 = 67,779.60/x
  3. Step 3: Cross multiply
    254,768.08x = 382,151.60 × 67,779.60
  4. Step 4: Simplify right side
    254,768.08x = 25,902,082,587.36
  5. Step 5: Solve for x
    x = 25,902,082,587.36/254,768.08
  6. Step 6: Final answer
    x = 101,669.26

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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.