Home / 307,320.20-460,980.30-245,112.20

Finding the Fourth Proportional to 307,320.20, 460,980.30 and 245,112.20

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Solution

The fourth proportional to 307,320.20, 460,980.30 and 245,112.20 is: 367,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,320.20 : 460,980.30 = 245,112.20 : x
  2. Step 2: Convert to fraction form
    307,320.20/460,980.30 = 245,112.20/x
  3. Step 3: Cross multiply
    307,320.20x = 460,980.30 × 245,112.20
  4. Step 4: Simplify right side
    307,320.20x = 112,991,895,489.66
  5. Step 5: Solve for x
    x = 112,991,895,489.66/307,320.20
  6. Step 6: Final answer
    x = 367,668.30

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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.