Home / 254,292.03-381,444.53-76,804.83

Finding the Fourth Proportional to 254,292.03, 381,444.53 and 76,804.83

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Solution

The fourth proportional to 254,292.03, 381,444.53 and 76,804.83 is: 115,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,292.03 : 381,444.53 = 76,804.83 : x
  2. Step 2: Convert to fraction form
    254,292.03/381,444.53 = 76,804.83/x
  3. Step 3: Cross multiply
    254,292.03x = 381,444.53 × 76,804.83
  4. Step 4: Simplify right side
    254,292.03x = 29,296,781,897.06
  5. Step 5: Solve for x
    x = 29,296,781,897.06/254,292.03
  6. Step 6: Final answer
    x = 115,209.20

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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.