Home / 277,025.31-415,537.95-66,663.27

Finding the Fourth Proportional to 277,025.31, 415,537.95 and 66,663.27

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Solution

The fourth proportional to 277,025.31, 415,537.95 and 66,663.27 is: 99,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,025.31 : 415,537.95 = 66,663.27 : x
  2. Step 2: Convert to fraction form
    277,025.31/415,537.95 = 66,663.27/x
  3. Step 3: Cross multiply
    277,025.31x = 415,537.95 × 66,663.27
  4. Step 4: Simplify right side
    277,025.31x = 27,701,118,556.10
  5. Step 5: Solve for x
    x = 27,701,118,556.10/277,025.31
  6. Step 6: Final answer
    x = 99,994.90

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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.