Home / 198,004.80-297,007.20-165,345.60

Finding the Fourth Proportional to 198,004.80, 297,007.20 and 165,345.60

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Solution

The fourth proportional to 198,004.80, 297,007.20 and 165,345.60 is: 248,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,004.80 : 297,007.20 = 165,345.60 : x
  2. Step 2: Convert to fraction form
    198,004.80/297,007.20 = 165,345.60/x
  3. Step 3: Cross multiply
    198,004.80x = 297,007.20 × 165,345.60
  4. Step 4: Simplify right side
    198,004.80x = 49,108,833,688.32
  5. Step 5: Solve for x
    x = 49,108,833,688.32/198,004.80
  6. Step 6: Final answer
    x = 248,018.40

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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.