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Finding the Fourth Proportional to 254,030.00, 380,973.85 and 76,511.21

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Solution

The fourth proportional to 254,030.00, 380,973.85 and 76,511.21 is: 114,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,030.00 : 380,973.85 = 76,511.21 : x
  2. Step 2: Convert to fraction form
    254,030.00/380,973.85 = 76,511.21/x
  3. Step 3: Cross multiply
    254,030.00x = 380,973.85 × 76,511.21
  4. Step 4: Simplify right side
    254,030.00x = 29,148,768,145.71
  5. Step 5: Solve for x
    x = 29,148,768,145.71/254,030.00
  6. Step 6: Final answer
    x = 114,745.38

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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.