Home / 513,222.93-769,785.08-158,141.61

Finding the Fourth Proportional to 513,222.93, 769,785.08 and 158,141.61

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Solution

The fourth proportional to 513,222.93, 769,785.08 and 158,141.61 is: 237,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,222.93 : 769,785.08 = 158,141.61 : x
  2. Step 2: Convert to fraction form
    513,222.93/769,785.08 = 158,141.61/x
  3. Step 3: Cross multiply
    513,222.93x = 769,785.08 × 158,141.61
  4. Step 4: Simplify right side
    513,222.93x = 121,735,051,905.18
  5. Step 5: Solve for x
    x = 121,735,051,905.18/513,222.93
  6. Step 6: Final answer
    x = 237,197.22

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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.