Home / 330,419.60-455,982.26-187,176.58

Finding the Fourth Proportional to 330,419.60, 455,982.26 and 187,176.58

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Solution

The fourth proportional to 330,419.60, 455,982.26 and 187,176.58 is: 258,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,419.60 : 455,982.26 = 187,176.58 : x
  2. Step 2: Convert to fraction form
    330,419.60/455,982.26 = 187,176.58/x
  3. Step 3: Cross multiply
    330,419.60x = 455,982.26 × 187,176.58
  4. Step 4: Simplify right side
    330,419.60x = 85,349,199,967.47
  5. Step 5: Solve for x
    x = 85,349,199,967.47/330,419.60
  6. Step 6: Final answer
    x = 258,305.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.