Home / 307,701.26-461,404.18-145,460.21

Finding the Fourth Proportional to 307,701.26, 461,404.18 and 145,460.21

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Solution

The fourth proportional to 307,701.26, 461,404.18 and 145,460.21 is: 218,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,701.26 : 461,404.18 = 145,460.21 : x
  2. Step 2: Convert to fraction form
    307,701.26/461,404.18 = 145,460.21/x
  3. Step 3: Cross multiply
    307,701.26x = 461,404.18 × 145,460.21
  4. Step 4: Simplify right side
    307,701.26x = 67,115,946,792.48
  5. Step 5: Solve for x
    x = 67,115,946,792.48/307,701.26
  6. Step 6: Final answer
    x = 218,120.48

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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.