Home / 401,837.60-602,337.20-135,506.56

Finding the Fourth Proportional to 401,837.60, 602,337.20 and 135,506.56

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Solution

The fourth proportional to 401,837.60, 602,337.20 and 135,506.56 is: 203,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,837.60 : 602,337.20 = 135,506.56 : x
  2. Step 2: Convert to fraction form
    401,837.60/602,337.20 = 135,506.56/x
  3. Step 3: Cross multiply
    401,837.60x = 602,337.20 × 135,506.56
  4. Step 4: Simplify right side
    401,837.60x = 81,620,641,932.03
  5. Step 5: Solve for x
    x = 81,620,641,932.03/401,837.60
  6. Step 6: Final answer
    x = 203,118.48

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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.