Home / 324,012.10-486,536.55-245,215.30

Finding the Fourth Proportional to 324,012.10, 486,536.55 and 245,215.30

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Solution

The fourth proportional to 324,012.10, 486,536.55 and 245,215.30 is: 368,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,012.10 : 486,536.55 = 245,215.30 : x
  2. Step 2: Convert to fraction form
    324,012.10/486,536.55 = 245,215.30/x
  3. Step 3: Cross multiply
    324,012.10x = 486,536.55 × 245,215.30
  4. Step 4: Simplify right side
    324,012.10x = 119,306,206,069.22
  5. Step 5: Solve for x
    x = 119,306,206,069.22/324,012.10
  6. Step 6: Final answer
    x = 368,215.28

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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.