Home / 642,525.20-963,096.60-243,011.60

Finding the Fourth Proportional to 642,525.20, 963,096.60 and 243,011.60

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Solution

The fourth proportional to 642,525.20, 963,096.60 and 243,011.60 is: 364,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,525.20 : 963,096.60 = 243,011.60 : x
  2. Step 2: Convert to fraction form
    642,525.20/963,096.60 = 243,011.60/x
  3. Step 3: Cross multiply
    642,525.20x = 963,096.60 × 243,011.60
  4. Step 4: Simplify right side
    642,525.20x = 234,043,645,720.56
  5. Step 5: Solve for x
    x = 234,043,645,720.56/642,525.20
  6. Step 6: Final answer
    x = 364,255.98

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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.