Home / 260,154.72-389,595.18-214,899.19

Finding the Fourth Proportional to 260,154.72, 389,595.18 and 214,899.19

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Solution

The fourth proportional to 260,154.72, 389,595.18 and 214,899.19 is: 321,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,154.72 : 389,595.18 = 214,899.19 : x
  2. Step 2: Convert to fraction form
    260,154.72/389,595.18 = 214,899.19/x
  3. Step 3: Cross multiply
    260,154.72x = 389,595.18 × 214,899.19
  4. Step 4: Simplify right side
    260,154.72x = 83,723,688,609.90
  5. Step 5: Solve for x
    x = 83,723,688,609.90/260,154.72
  6. Step 6: Final answer
    x = 321,822.68

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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.