Home / 380,635.26-571,307.13-193,786.62

Finding the Fourth Proportional to 380,635.26, 571,307.13 and 193,786.62

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Solution

The fourth proportional to 380,635.26, 571,307.13 and 193,786.62 is: 290,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,635.26 : 571,307.13 = 193,786.62 : x
  2. Step 2: Convert to fraction form
    380,635.26/571,307.13 = 193,786.62/x
  3. Step 3: Cross multiply
    380,635.26x = 571,307.13 × 193,786.62
  4. Step 4: Simplify right side
    380,635.26x = 110,711,677,704.60
  5. Step 5: Solve for x
    x = 110,711,677,704.60/380,635.26
  6. Step 6: Final answer
    x = 290,860.28

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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.