Home / 299,901.12-450,333.60-198,855.24

Finding the Fourth Proportional to 299,901.12, 450,333.60 and 198,855.24

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Solution

The fourth proportional to 299,901.12, 450,333.60 and 198,855.24 is: 298,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,901.12 : 450,333.60 = 198,855.24 : x
  2. Step 2: Convert to fraction form
    299,901.12/450,333.60 = 198,855.24/x
  3. Step 3: Cross multiply
    299,901.12x = 450,333.60 × 198,855.24
  4. Step 4: Simplify right side
    299,901.12x = 89,551,196,108.06
  5. Step 5: Solve for x
    x = 89,551,196,108.06/299,901.12
  6. Step 6: Final answer
    x = 298,602.41

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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.