Home / 272,343.40-408,515.10-228,384.70

Finding the Fourth Proportional to 272,343.40, 408,515.10 and 228,384.70

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Solution

The fourth proportional to 272,343.40, 408,515.10 and 228,384.70 is: 342,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,343.40 : 408,515.10 = 228,384.70 : x
  2. Step 2: Convert to fraction form
    272,343.40/408,515.10 = 228,384.70/x
  3. Step 3: Cross multiply
    272,343.40x = 408,515.10 × 228,384.70
  4. Step 4: Simplify right side
    272,343.40x = 93,298,598,558.97
  5. Step 5: Solve for x
    x = 93,298,598,558.97/272,343.40
  6. Step 6: Final answer
    x = 342,577.05

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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.