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Finding the Fourth Proportional to 335,076.22, 502,589.70 and 98,437.42

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Solution

The fourth proportional to 335,076.22, 502,589.70 and 98,437.42 is: 147,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,076.22 : 502,589.70 = 98,437.42 : x
  2. Step 2: Convert to fraction form
    335,076.22/502,589.70 = 98,437.42/x
  3. Step 3: Cross multiply
    335,076.22x = 502,589.70 × 98,437.42
  4. Step 4: Simplify right side
    335,076.22x = 49,473,633,386.57
  5. Step 5: Solve for x
    x = 49,473,633,386.57/335,076.22
  6. Step 6: Final answer
    x = 147,648.89

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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.