Home / 199,006.40-298,315.20-178,011.20

Finding the Fourth Proportional to 199,006.40, 298,315.20 and 178,011.20

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Solution

The fourth proportional to 199,006.40, 298,315.20 and 178,011.20 is: 266,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,006.40 : 298,315.20 = 178,011.20 : x
  2. Step 2: Convert to fraction form
    199,006.40/298,315.20 = 178,011.20/x
  3. Step 3: Cross multiply
    199,006.40x = 298,315.20 × 178,011.20
  4. Step 4: Simplify right side
    199,006.40x = 53,103,446,730.24
  5. Step 5: Solve for x
    x = 53,103,446,730.24/199,006.40
  6. Step 6: Final answer
    x = 266,842.91

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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.