Home / 272,342.90-408,514.35-228,384.20

Finding the Fourth Proportional to 272,342.90, 408,514.35 and 228,384.20

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Solution

The fourth proportional to 272,342.90, 408,514.35 and 228,384.20 is: 342,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,342.90 : 408,514.35 = 228,384.20 : x
  2. Step 2: Convert to fraction form
    272,342.90/408,514.35 = 228,384.20/x
  3. Step 3: Cross multiply
    272,342.90x = 408,514.35 × 228,384.20
  4. Step 4: Simplify right side
    272,342.90x = 93,298,223,013.27
  5. Step 5: Solve for x
    x = 93,298,223,013.27/272,342.90
  6. Step 6: Final answer
    x = 342,576.30

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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.