Home / 340,997.34-511,569.83-130,635.28

Finding the Fourth Proportional to 340,997.34, 511,569.83 and 130,635.28

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Solution

The fourth proportional to 340,997.34, 511,569.83 and 130,635.28 is: 195,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,997.34 : 511,569.83 = 130,635.28 : x
  2. Step 2: Convert to fraction form
    340,997.34/511,569.83 = 130,635.28/x
  3. Step 3: Cross multiply
    340,997.34x = 511,569.83 × 130,635.28
  4. Step 4: Simplify right side
    340,997.34x = 66,829,068,212.83
  5. Step 5: Solve for x
    x = 66,829,068,212.83/340,997.34
  6. Step 6: Final answer
    x = 195,981.20

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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.