Home / 228,004.20-342,006.30-217,117.80

Finding the Fourth Proportional to 228,004.20, 342,006.30 and 217,117.80

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Solution

The fourth proportional to 228,004.20, 342,006.30 and 217,117.80 is: 325,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,004.20 : 342,006.30 = 217,117.80 : x
  2. Step 2: Convert to fraction form
    228,004.20/342,006.30 = 217,117.80/x
  3. Step 3: Cross multiply
    228,004.20x = 342,006.30 × 217,117.80
  4. Step 4: Simplify right side
    228,004.20x = 74,255,655,442.14
  5. Step 5: Solve for x
    x = 74,255,655,442.14/228,004.20
  6. Step 6: Final answer
    x = 325,676.70

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1.5x scale

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.