Home / 199,260.40-298,890.60-152,021.20

Finding the Fourth Proportional to 199,260.40, 298,890.60 and 152,021.20

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Solution

The fourth proportional to 199,260.40, 298,890.60 and 152,021.20 is: 228,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,260.40 : 298,890.60 = 152,021.20 : x
  2. Step 2: Convert to fraction form
    199,260.40/298,890.60 = 152,021.20/x
  3. Step 3: Cross multiply
    199,260.40x = 298,890.60 × 152,021.20
  4. Step 4: Simplify right side
    199,260.40x = 45,437,707,680.72
  5. Step 5: Solve for x
    x = 45,437,707,680.72/199,260.40
  6. Step 6: Final answer
    x = 228,031.80

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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.