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Finding the Fourth Proportional to 290,583.88, 401,053.32 and 242,108.92

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Solution

The fourth proportional to 290,583.88, 401,053.32 and 242,108.92 is: 334,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,583.88 : 401,053.32 = 242,108.92 : x
  2. Step 2: Convert to fraction form
    290,583.88/401,053.32 = 242,108.92/x
  3. Step 3: Cross multiply
    290,583.88x = 401,053.32 × 242,108.92
  4. Step 4: Simplify right side
    290,583.88x = 97,098,586,167.61
  5. Step 5: Solve for x
    x = 97,098,586,167.61/290,583.88
  6. Step 6: Final answer
    x = 334,149.94

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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.