Home / 579,565.80-869,404.05-180,099.36

Finding the Fourth Proportional to 579,565.80, 869,404.05 and 180,099.36

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Solution

The fourth proportional to 579,565.80, 869,404.05 and 180,099.36 is: 270,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,565.80 : 869,404.05 = 180,099.36 : x
  2. Step 2: Convert to fraction form
    579,565.80/869,404.05 = 180,099.36/x
  3. Step 3: Cross multiply
    579,565.80x = 869,404.05 × 180,099.36
  4. Step 4: Simplify right side
    579,565.80x = 156,579,112,986.41
  5. Step 5: Solve for x
    x = 156,579,112,986.41/579,565.80
  6. Step 6: Final answer
    x = 270,166.24

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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.