Home / 227,784.35-314,403.20-130,998.78

Finding the Fourth Proportional to 227,784.35, 314,403.20 and 130,998.78

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Solution

The fourth proportional to 227,784.35, 314,403.20 and 130,998.78 is: 180,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,784.35 : 314,403.20 = 130,998.78 : x
  2. Step 2: Convert to fraction form
    227,784.35/314,403.20 = 130,998.78/x
  3. Step 3: Cross multiply
    227,784.35x = 314,403.20 × 130,998.78
  4. Step 4: Simplify right side
    227,784.35x = 41,186,435,628.10
  5. Step 5: Solve for x
    x = 41,186,435,628.10/227,784.35
  6. Step 6: Final answer
    x = 180,813.28

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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.