Home / 577,465.23-865,982.12-198,278.31

Finding the Fourth Proportional to 577,465.23, 865,982.12 and 198,278.31

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Solution

The fourth proportional to 577,465.23, 865,982.12 and 198,278.31 is: 297,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,465.23 : 865,982.12 = 198,278.31 : x
  2. Step 2: Convert to fraction form
    577,465.23/865,982.12 = 198,278.31/x
  3. Step 3: Cross multiply
    577,465.23x = 865,982.12 × 198,278.31
  4. Step 4: Simplify right side
    577,465.23x = 171,705,474,615.17
  5. Step 5: Solve for x
    x = 171,705,474,615.17/577,465.23
  6. Step 6: Final answer
    x = 297,343.40

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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.