Home / 647,820.32-971,907.03-198,531.23

Finding the Fourth Proportional to 647,820.32, 971,907.03 and 198,531.23

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Solution

The fourth proportional to 647,820.32, 971,907.03 and 198,531.23 is: 297,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,820.32 : 971,907.03 = 198,531.23 : x
  2. Step 2: Convert to fraction form
    647,820.32/971,907.03 = 198,531.23/x
  3. Step 3: Cross multiply
    647,820.32x = 971,907.03 × 198,531.23
  4. Step 4: Simplify right side
    647,820.32x = 192,953,893,252.01
  5. Step 5: Solve for x
    x = 192,953,893,252.01/647,820.32
  6. Step 6: Final answer
    x = 297,850.95

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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.