Home / 340,765.76-510,886.20-163,181.36

Finding the Fourth Proportional to 340,765.76, 510,886.20 and 163,181.36

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Solution

The fourth proportional to 340,765.76, 510,886.20 and 163,181.36 is: 244,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,765.76 : 510,886.20 = 163,181.36 : x
  2. Step 2: Convert to fraction form
    340,765.76/510,886.20 = 163,181.36/x
  3. Step 3: Cross multiply
    340,765.76x = 510,886.20 × 163,181.36
  4. Step 4: Simplify right side
    340,765.76x = 83,367,104,921.23
  5. Step 5: Solve for x
    x = 83,367,104,921.23/340,765.76
  6. Step 6: Final answer
    x = 244,646.37

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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.