Home / 255,569.28-383,327.22-113,416.98

Finding the Fourth Proportional to 255,569.28, 383,327.22 and 113,416.98

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Solution

The fourth proportional to 255,569.28, 383,327.22 and 113,416.98 is: 170,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,569.28 : 383,327.22 = 113,416.98 : x
  2. Step 2: Convert to fraction form
    255,569.28/383,327.22 = 113,416.98/x
  3. Step 3: Cross multiply
    255,569.28x = 383,327.22 × 113,416.98
  4. Step 4: Simplify right side
    255,569.28x = 43,475,815,644.20
  5. Step 5: Solve for x
    x = 43,475,815,644.20/255,569.28
  6. Step 6: Final answer
    x = 170,113.62

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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.