Home / 307,846.20-461,769.30-245,638.20

Finding the Fourth Proportional to 307,846.20, 461,769.30 and 245,638.20

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Solution

The fourth proportional to 307,846.20, 461,769.30 and 245,638.20 is: 368,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,846.20 : 461,769.30 = 245,638.20 : x
  2. Step 2: Convert to fraction form
    307,846.20/461,769.30 = 245,638.20/x
  3. Step 3: Cross multiply
    307,846.20x = 461,769.30 × 245,638.20
  4. Step 4: Simplify right side
    307,846.20x = 113,428,179,667.26
  5. Step 5: Solve for x
    x = 113,428,179,667.26/307,846.20
  6. Step 6: Final answer
    x = 368,457.30

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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.