Home / 330,849.05-494,032.52-262,615.57

Finding the Fourth Proportional to 330,849.05, 494,032.52 and 262,615.57

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Solution

The fourth proportional to 330,849.05, 494,032.52 and 262,615.57 is: 392,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,849.05 : 494,032.52 = 262,615.57 : x
  2. Step 2: Convert to fraction form
    330,849.05/494,032.52 = 262,615.57/x
  3. Step 3: Cross multiply
    330,849.05x = 494,032.52 × 262,615.57
  4. Step 4: Simplify right side
    330,849.05x = 129,740,631,259.79
  5. Step 5: Solve for x
    x = 129,740,631,259.79/330,849.05
  6. Step 6: Final answer
    x = 392,144.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.