Home / 331,664.90-497,400.15-154,129.10

Finding the Fourth Proportional to 331,664.90, 497,400.15 and 154,129.10

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Solution

The fourth proportional to 331,664.90, 497,400.15 and 154,129.10 is: 231,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,664.90 : 497,400.15 = 154,129.10 : x
  2. Step 2: Convert to fraction form
    331,664.90/497,400.15 = 154,129.10/x
  3. Step 3: Cross multiply
    331,664.90x = 497,400.15 × 154,129.10
  4. Step 4: Simplify right side
    331,664.90x = 76,663,837,459.37
  5. Step 5: Solve for x
    x = 76,663,837,459.37/331,664.90
  6. Step 6: Final answer
    x = 231,148.48

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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.