Home / 354,628.40-531,942.60-235,914.80

Finding the Fourth Proportional to 354,628.40, 531,942.60 and 235,914.80

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Solution

The fourth proportional to 354,628.40, 531,942.60 and 235,914.80 is: 353,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,628.40 : 531,942.60 = 235,914.80 : x
  2. Step 2: Convert to fraction form
    354,628.40/531,942.60 = 235,914.80/x
  3. Step 3: Cross multiply
    354,628.40x = 531,942.60 × 235,914.80
  4. Step 4: Simplify right side
    354,628.40x = 125,493,132,090.48
  5. Step 5: Solve for x
    x = 125,493,132,090.48/354,628.40
  6. Step 6: Final answer
    x = 353,872.20

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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.