Home / 227,619.90-341,636.40-115,378.20

Finding the Fourth Proportional to 227,619.90, 341,636.40 and 115,378.20

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Solution

The fourth proportional to 227,619.90, 341,636.40 and 115,378.20 is: 173,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,619.90 : 341,636.40 = 115,378.20 : x
  2. Step 2: Convert to fraction form
    227,619.90/341,636.40 = 115,378.20/x
  3. Step 3: Cross multiply
    227,619.90x = 341,636.40 × 115,378.20
  4. Step 4: Simplify right side
    227,619.90x = 39,417,392,886.48
  5. Step 5: Solve for x
    x = 39,417,392,886.48/227,619.90
  6. Step 6: Final answer
    x = 173,172.00

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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.