Home / 307,477.24-461,871.43-289,500.10

Finding the Fourth Proportional to 307,477.24, 461,871.43 and 289,500.10

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Solution

The fourth proportional to 307,477.24, 461,871.43 and 289,500.10 is: 434,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,477.24 : 461,871.43 = 289,500.10 : x
  2. Step 2: Convert to fraction form
    307,477.24/461,871.43 = 289,500.10/x
  3. Step 3: Cross multiply
    307,477.24x = 461,871.43 × 289,500.10
  4. Step 4: Simplify right side
    307,477.24x = 133,711,825,172.14
  5. Step 5: Solve for x
    x = 133,711,825,172.14/307,477.24
  6. Step 6: Final answer
    x = 434,867.39

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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.