Home / 335,554.10-503,328.74-135,871.42

Finding the Fourth Proportional to 335,554.10, 503,328.74 and 135,871.42

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Solution

The fourth proportional to 335,554.10, 503,328.74 and 135,871.42 is: 203,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,554.10 : 503,328.74 = 135,871.42 : x
  2. Step 2: Convert to fraction form
    335,554.10/503,328.74 = 135,871.42/x
  3. Step 3: Cross multiply
    335,554.10x = 503,328.74 × 135,871.42
  4. Step 4: Simplify right side
    335,554.10x = 68,387,990,630.61
  5. Step 5: Solve for x
    x = 68,387,990,630.61/335,554.10
  6. Step 6: Final answer
    x = 203,806.15

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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.