Home / 415,265.10-623,588.85-228,410.70

Finding the Fourth Proportional to 415,265.10, 623,588.85 and 228,410.70

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Solution

The fourth proportional to 415,265.10, 623,588.85 and 228,410.70 is: 342,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,265.10 : 623,588.85 = 228,410.70 : x
  2. Step 2: Convert to fraction form
    415,265.10/623,588.85 = 228,410.70/x
  3. Step 3: Cross multiply
    415,265.10x = 623,588.85 × 228,410.70
  4. Step 4: Simplify right side
    415,265.10x = 142,434,365,740.70
  5. Step 5: Solve for x
    x = 142,434,365,740.70/415,265.10
  6. Step 6: Final answer
    x = 342,996.23

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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.