Home / 758,973.18-1,138,458.62-198,007.68

Finding the Fourth Proportional to 758,973.18, 1,138,458.62 and 198,007.68

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Solution

The fourth proportional to 758,973.18, 1,138,458.62 and 198,007.68 is: 297,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,973.18 : 1,138,458.62 = 198,007.68 : x
  2. Step 2: Convert to fraction form
    758,973.18/1,138,458.62 = 198,007.68/x
  3. Step 3: Cross multiply
    758,973.18x = 1,138,458.62 × 198,007.68
  4. Step 4: Simplify right side
    758,973.18x = 225,423,550,122.20
  5. Step 5: Solve for x
    x = 225,423,550,122.20/758,973.18
  6. Step 6: Final answer
    x = 297,011.22

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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.