Home / 639,561.22-958,835.78-240,157.51

Finding the Fourth Proportional to 639,561.22, 958,835.78 and 240,157.51

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Solution

The fourth proportional to 639,561.22, 958,835.78 and 240,157.51 is: 360,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,561.22 : 958,835.78 = 240,157.51 : x
  2. Step 2: Convert to fraction form
    639,561.22/958,835.78 = 240,157.51/x
  3. Step 3: Cross multiply
    639,561.22x = 958,835.78 × 240,157.51
  4. Step 4: Simplify right side
    639,561.22x = 230,271,610,726.42
  5. Step 5: Solve for x
    x = 230,271,610,726.42/639,561.22
  6. Step 6: Final answer
    x = 360,046.24

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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.