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Finding the Fourth Proportional to 242,031.88, 333,998.13 and 131,647.69

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Solution

The fourth proportional to 242,031.88, 333,998.13 and 131,647.69 is: 181,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,031.88 : 333,998.13 = 131,647.69 : x
  2. Step 2: Convert to fraction form
    242,031.88/333,998.13 = 131,647.69/x
  3. Step 3: Cross multiply
    242,031.88x = 333,998.13 × 131,647.69
  4. Step 4: Simplify right side
    242,031.88x = 43,970,082,278.82
  5. Step 5: Solve for x
    x = 43,970,082,278.82/242,031.88
  6. Step 6: Final answer
    x = 181,670.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.