Home / 198,729.90-298,088.01-56,576.06

Finding the Fourth Proportional to 198,729.90, 298,088.01 and 56,576.06

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Solution

The fourth proportional to 198,729.90, 298,088.01 and 56,576.06 is: 84,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,729.90 : 298,088.01 = 56,576.06 : x
  2. Step 2: Convert to fraction form
    198,729.90/298,088.01 = 56,576.06/x
  3. Step 3: Cross multiply
    198,729.90x = 298,088.01 × 56,576.06
  4. Step 4: Simplify right side
    198,729.90x = 16,864,643,648.60
  5. Step 5: Solve for x
    x = 16,864,643,648.60/198,729.90
  6. Step 6: Final answer
    x = 84,862.14

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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.