Home / 309,141.09-463,778.15-95,904.72

Finding the Fourth Proportional to 309,141.09, 463,778.15 and 95,904.72

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Solution

The fourth proportional to 309,141.09, 463,778.15 and 95,904.72 is: 143,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,141.09 : 463,778.15 = 95,904.72 : x
  2. Step 2: Convert to fraction form
    309,141.09/463,778.15 = 95,904.72/x
  3. Step 3: Cross multiply
    309,141.09x = 463,778.15 × 95,904.72
  4. Step 4: Simplify right side
    309,141.09x = 44,478,513,138.34
  5. Step 5: Solve for x
    x = 44,478,513,138.34/309,141.09
  6. Step 6: Final answer
    x = 143,877.71

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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.