Home / 671,285.12-1,006,926.40-198,302.64

Finding the Fourth Proportional to 671,285.12, 1,006,926.40 and 198,302.64

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Solution

The fourth proportional to 671,285.12, 1,006,926.40 and 198,302.64 is: 297,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,285.12 : 1,006,926.40 = 198,302.64 : x
  2. Step 2: Convert to fraction form
    671,285.12/1,006,926.40 = 198,302.64/x
  3. Step 3: Cross multiply
    671,285.12x = 1,006,926.40 × 198,302.64
  4. Step 4: Simplify right side
    671,285.12x = 199,676,163,405.70
  5. Step 5: Solve for x
    x = 199,676,163,405.70/671,285.12
  6. Step 6: Final answer
    x = 297,453.58

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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.