Home / 648,030.69-972,051.80-198,753.66

Finding the Fourth Proportional to 648,030.69, 972,051.80 and 198,753.66

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Solution

The fourth proportional to 648,030.69, 972,051.80 and 198,753.66 is: 298,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,030.69 : 972,051.80 = 198,753.66 : x
  2. Step 2: Convert to fraction form
    648,030.69/972,051.80 = 198,753.66/x
  3. Step 3: Cross multiply
    648,030.69x = 972,051.80 × 198,753.66
  4. Step 4: Simplify right side
    648,030.69x = 193,198,853,456.47
  5. Step 5: Solve for x
    x = 193,198,853,456.47/648,030.69
  6. Step 6: Final answer
    x = 298,132.26

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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.