Home / 328,922.55-492,867.03-254,225.55

Finding the Fourth Proportional to 328,922.55, 492,867.03 and 254,225.55

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Solution

The fourth proportional to 328,922.55, 492,867.03 and 254,225.55 is: 380,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,922.55 : 492,867.03 = 254,225.55 : x
  2. Step 2: Convert to fraction form
    328,922.55/492,867.03 = 254,225.55/x
  3. Step 3: Cross multiply
    328,922.55x = 492,867.03 × 254,225.55
  4. Step 4: Simplify right side
    328,922.55x = 125,299,391,778.62
  5. Step 5: Solve for x
    x = 125,299,391,778.62/328,922.55
  6. Step 6: Final answer
    x = 380,938.89

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1.5x scale

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.