Home / 330,080.28-455,521.64-186,837.25

Finding the Fourth Proportional to 330,080.28, 455,521.64 and 186,837.25

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Solution

The fourth proportional to 330,080.28, 455,521.64 and 186,837.25 is: 257,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,080.28 : 455,521.64 = 186,837.25 : x
  2. Step 2: Convert to fraction form
    330,080.28/455,521.64 = 186,837.25/x
  3. Step 3: Cross multiply
    330,080.28x = 455,521.64 × 186,837.25
  4. Step 4: Simplify right side
    330,080.28x = 85,108,408,460.10
  5. Step 5: Solve for x
    x = 85,108,408,460.10/330,080.28
  6. Step 6: Final answer
    x = 257,841.54

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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.