Home / 309,330.30-463,998.19-122,341.82

Finding the Fourth Proportional to 309,330.30, 463,998.19 and 122,341.82

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Solution

The fourth proportional to 309,330.30, 463,998.19 and 122,341.82 is: 183,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,330.30 : 463,998.19 = 122,341.82 : x
  2. Step 2: Convert to fraction form
    309,330.30/463,998.19 = 122,341.82/x
  3. Step 3: Cross multiply
    309,330.30x = 463,998.19 × 122,341.82
  4. Step 4: Simplify right side
    309,330.30x = 56,766,383,041.31
  5. Step 5: Solve for x
    x = 56,766,383,041.31/309,330.30
  6. Step 6: Final answer
    x = 183,513.81

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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.