Home / 392,942.15-588,920.12-168,038.13

Finding the Fourth Proportional to 392,942.15, 588,920.12 and 168,038.13

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Solution

The fourth proportional to 392,942.15, 588,920.12 and 168,038.13 is: 251,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,942.15 : 588,920.12 = 168,038.13 : x
  2. Step 2: Convert to fraction form
    392,942.15/588,920.12 = 168,038.13/x
  3. Step 3: Cross multiply
    392,942.15x = 588,920.12 × 168,038.13
  4. Step 4: Simplify right side
    392,942.15x = 98,961,037,682.58
  5. Step 5: Solve for x
    x = 98,961,037,682.58/392,942.15
  6. Step 6: Final answer
    x = 251,846.33

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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.