Home / 351,116.80-526,663.36-140,698.24

Finding the Fourth Proportional to 351,116.80, 526,663.36 and 140,698.24

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Solution

The fourth proportional to 351,116.80, 526,663.36 and 140,698.24 is: 211,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,116.80 : 526,663.36 = 140,698.24 : x
  2. Step 2: Convert to fraction form
    351,116.80/526,663.36 = 140,698.24/x
  3. Step 3: Cross multiply
    351,116.80x = 526,663.36 × 140,698.24
  4. Step 4: Simplify right side
    351,116.80x = 74,100,607,824.49
  5. Step 5: Solve for x
    x = 74,100,607,824.49/351,116.80
  6. Step 6: Final answer
    x = 211,042.62

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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.