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Finding the Fourth Proportional to 442,670.34, 610,887 and 241,470.66

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Solution

The fourth proportional to 442,670.34, 610,887 and 241,470.66 is: 333,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,670.34 : 610,887 = 241,470.66 : x
  2. Step 2: Convert to fraction form
    442,670.34/610,887 = 241,470.66/x
  3. Step 3: Cross multiply
    442,670.34x = 610,887 × 241,470.66
  4. Step 4: Simplify right side
    442,670.34x = 147,511,287,075.42
  5. Step 5: Solve for x
    x = 147,511,287,075.42/442,670.34
  6. Step 6: Final answer
    x = 333,230.56

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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.