Home / 260,155.72-389,596.68-214,900.19

Finding the Fourth Proportional to 260,155.72, 389,596.68 and 214,900.19

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Solution

The fourth proportional to 260,155.72, 389,596.68 and 214,900.19 is: 321,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,155.72 : 389,596.68 = 214,900.19 : x
  2. Step 2: Convert to fraction form
    260,155.72/389,596.68 = 214,900.19/x
  3. Step 3: Cross multiply
    260,155.72x = 389,596.68 × 214,900.19
  4. Step 4: Simplify right side
    260,155.72x = 83,724,400,555.37
  5. Step 5: Solve for x
    x = 83,724,400,555.37/260,155.72
  6. Step 6: Final answer
    x = 321,824.18

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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.