Home / 340,433.60-510,650.40-228,459.20

Finding the Fourth Proportional to 340,433.60, 510,650.40 and 228,459.20

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Solution

The fourth proportional to 340,433.60, 510,650.40 and 228,459.20 is: 342,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,433.60 : 510,650.40 = 228,459.20 : x
  2. Step 2: Convert to fraction form
    340,433.60/510,650.40 = 228,459.20/x
  3. Step 3: Cross multiply
    340,433.60x = 510,650.40 × 228,459.20
  4. Step 4: Simplify right side
    340,433.60x = 116,662,781,863.68
  5. Step 5: Solve for x
    x = 116,662,781,863.68/340,433.60
  6. Step 6: Final answer
    x = 342,688.80

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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.