Home / 255,662.18-383,493.27-97,890.63

Finding the Fourth Proportional to 255,662.18, 383,493.27 and 97,890.63

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Solution

The fourth proportional to 255,662.18, 383,493.27 and 97,890.63 is: 146,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,662.18 : 383,493.27 = 97,890.63 : x
  2. Step 2: Convert to fraction form
    255,662.18/383,493.27 = 97,890.63/x
  3. Step 3: Cross multiply
    255,662.18x = 383,493.27 × 97,890.63
  4. Step 4: Simplify right side
    255,662.18x = 37,540,397,801.06
  5. Step 5: Solve for x
    x = 37,540,397,801.06/255,662.18
  6. Step 6: Final answer
    x = 146,835.95

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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.