Home / 325,639.01-449,535.75-218,279.18

Finding the Fourth Proportional to 325,639.01, 449,535.75 and 218,279.18

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Solution

The fourth proportional to 325,639.01, 449,535.75 and 218,279.18 is: 301,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,639.01 : 449,535.75 = 218,279.18 : x
  2. Step 2: Convert to fraction form
    325,639.01/449,535.75 = 218,279.18/x
  3. Step 3: Cross multiply
    325,639.01x = 449,535.75 × 218,279.18
  4. Step 4: Simplify right side
    325,639.01x = 98,124,294,890.69
  5. Step 5: Solve for x
    x = 98,124,294,890.69/325,639.01
  6. Step 6: Final answer
    x = 301,328.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.