Home / 308,090.20-461,357.70-202,336.60

Finding the Fourth Proportional to 308,090.20, 461,357.70 and 202,336.60

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Solution

The fourth proportional to 308,090.20, 461,357.70 and 202,336.60 is: 302,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,090.20 : 461,357.70 = 202,336.60 : x
  2. Step 2: Convert to fraction form
    308,090.20/461,357.70 = 202,336.60/x
  3. Step 3: Cross multiply
    308,090.20x = 461,357.70 × 202,336.60
  4. Step 4: Simplify right side
    308,090.20x = 93,349,548,401.82
  5. Step 5: Solve for x
    x = 93,349,548,401.82/308,090.20
  6. Step 6: Final answer
    x = 302,994.22

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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.