Home / 329,723.40-455,018.82-178,820.52

Finding the Fourth Proportional to 329,723.40, 455,018.82 and 178,820.52

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Solution

The fourth proportional to 329,723.40, 455,018.82 and 178,820.52 is: 246,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,723.40 : 455,018.82 = 178,820.52 : x
  2. Step 2: Convert to fraction form
    329,723.40/455,018.82 = 178,820.52/x
  3. Step 3: Cross multiply
    329,723.40x = 455,018.82 × 178,820.52
  4. Step 4: Simplify right side
    329,723.40x = 81,366,702,002.19
  5. Step 5: Solve for x
    x = 81,366,702,002.19/329,723.40
  6. Step 6: Final answer
    x = 246,772.60

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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.