Home / 671,548.68-1,007,432.43-198,281.88

Finding the Fourth Proportional to 671,548.68, 1,007,432.43 and 198,281.88

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Solution

The fourth proportional to 671,548.68, 1,007,432.43 and 198,281.88 is: 297,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,548.68 : 1,007,432.43 = 198,281.88 : x
  2. Step 2: Convert to fraction form
    671,548.68/1,007,432.43 = 198,281.88/x
  3. Step 3: Cross multiply
    671,548.68x = 1,007,432.43 × 198,281.88
  4. Step 4: Simplify right side
    671,548.68x = 199,755,596,193.37
  5. Step 5: Solve for x
    x = 199,755,596,193.37/671,548.68
  6. Step 6: Final answer
    x = 297,455.12

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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.