Home / 254,946.96-382,421.16-77,455.44

Finding the Fourth Proportional to 254,946.96, 382,421.16 and 77,455.44

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Solution

The fourth proportional to 254,946.96, 382,421.16 and 77,455.44 is: 116,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,946.96 : 382,421.16 = 77,455.44 : x
  2. Step 2: Convert to fraction form
    254,946.96/382,421.16 = 77,455.44/x
  3. Step 3: Cross multiply
    254,946.96x = 382,421.16 × 77,455.44
  4. Step 4: Simplify right side
    254,946.96x = 29,620,599,213.11
  5. Step 5: Solve for x
    x = 29,620,599,213.11/254,946.96
  6. Step 6: Final answer
    x = 116,183.38

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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.