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Finding the Fourth Proportional to 335,241.75, 502,764.21 and 98,528.16

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Solution

The fourth proportional to 335,241.75, 502,764.21 and 98,528.16 is: 147,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,241.75 : 502,764.21 = 98,528.16 : x
  2. Step 2: Convert to fraction form
    335,241.75/502,764.21 = 98,528.16/x
  3. Step 3: Cross multiply
    335,241.75x = 502,764.21 × 98,528.16
  4. Step 4: Simplify right side
    335,241.75x = 49,536,432,525.15
  5. Step 5: Solve for x
    x = 49,536,432,525.15/335,241.75
  6. Step 6: Final answer
    x = 147,763.32

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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.