Home / 577,335.08-865,787.23-198,148.21

Finding the Fourth Proportional to 577,335.08, 865,787.23 and 198,148.21

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Solution

The fourth proportional to 577,335.08, 865,787.23 and 198,148.21 is: 297,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,335.08 : 865,787.23 = 198,148.21 : x
  2. Step 2: Convert to fraction form
    577,335.08/865,787.23 = 198,148.21/x
  3. Step 3: Cross multiply
    577,335.08x = 865,787.23 × 198,148.21
  4. Step 4: Simplify right side
    577,335.08x = 171,554,187,948.58
  5. Step 5: Solve for x
    x = 171,554,187,948.58/577,335.08
  6. Step 6: Final answer
    x = 297,148.39

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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.