Home / 413,765.12-620,646.74-110,159.36

Finding the Fourth Proportional to 413,765.12, 620,646.74 and 110,159.36

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Solution

The fourth proportional to 413,765.12, 620,646.74 and 110,159.36 is: 165,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,765.12 : 620,646.74 = 110,159.36 : x
  2. Step 2: Convert to fraction form
    413,765.12/620,646.74 = 110,159.36/x
  3. Step 3: Cross multiply
    413,765.12x = 620,646.74 × 110,159.36
  4. Step 4: Simplify right side
    413,765.12x = 68,370,047,664.49
  5. Step 5: Solve for x
    x = 68,370,047,664.49/413,765.12
  6. Step 6: Final answer
    x = 165,238.79

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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.