Home / 298,904.72-448,865.04-199,702.40

Finding the Fourth Proportional to 298,904.72, 448,865.04 and 199,702.40

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Solution

The fourth proportional to 298,904.72, 448,865.04 and 199,702.40 is: 299,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,904.72 : 448,865.04 = 199,702.40 : x
  2. Step 2: Convert to fraction form
    298,904.72/448,865.04 = 199,702.40/x
  3. Step 3: Cross multiply
    298,904.72x = 448,865.04 × 199,702.40
  4. Step 4: Simplify right side
    298,904.72x = 89,639,425,764.10
  5. Step 5: Solve for x
    x = 89,639,425,764.10/298,904.72
  6. Step 6: Final answer
    x = 299,892.98

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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.