Home / 438,532.20-657,819.90-228,580.20

Finding the Fourth Proportional to 438,532.20, 657,819.90 and 228,580.20

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Solution

The fourth proportional to 438,532.20, 657,819.90 and 228,580.20 is: 342,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,532.20 : 657,819.90 = 228,580.20 : x
  2. Step 2: Convert to fraction form
    438,532.20/657,819.90 = 228,580.20/x
  3. Step 3: Cross multiply
    438,532.20x = 657,819.90 × 228,580.20
  4. Step 4: Simplify right side
    438,532.20x = 150,364,604,305.98
  5. Step 5: Solve for x
    x = 150,364,604,305.98/438,532.20
  6. Step 6: Final answer
    x = 342,881.56

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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.