Home / 331,881.12-457,997.76-180,974.88

Finding the Fourth Proportional to 331,881.12, 457,997.76 and 180,974.88

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Solution

The fourth proportional to 331,881.12, 457,997.76 and 180,974.88 is: 249,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,881.12 : 457,997.76 = 180,974.88 : x
  2. Step 2: Convert to fraction form
    331,881.12/457,997.76 = 180,974.88/x
  3. Step 3: Cross multiply
    331,881.12x = 457,997.76 × 180,974.88
  4. Step 4: Simplify right side
    331,881.12x = 82,886,089,656.27
  5. Step 5: Solve for x
    x = 82,886,089,656.27/331,881.12
  6. Step 6: Final answer
    x = 249,746.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.