Home / 307,363.20-461,336.40-189,265.20

Finding the Fourth Proportional to 307,363.20, 461,336.40 and 189,265.20

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Solution

The fourth proportional to 307,363.20, 461,336.40 and 189,265.20 is: 284,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,363.20 : 461,336.40 = 189,265.20 : x
  2. Step 2: Convert to fraction form
    307,363.20/461,336.40 = 189,265.20/x
  3. Step 3: Cross multiply
    307,363.20x = 461,336.40 × 189,265.20
  4. Step 4: Simplify right side
    307,363.20x = 87,314,926,013.28
  5. Step 5: Solve for x
    x = 87,314,926,013.28/307,363.20
  6. Step 6: Final answer
    x = 284,077.36

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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.