Home / 401,328.08-602,054.39-135,067.83

Finding the Fourth Proportional to 401,328.08, 602,054.39 and 135,067.83

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Solution

The fourth proportional to 401,328.08, 602,054.39 and 135,067.83 is: 202,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,328.08 : 602,054.39 = 135,067.83 : x
  2. Step 2: Convert to fraction form
    401,328.08/602,054.39 = 135,067.83/x
  3. Step 3: Cross multiply
    401,328.08x = 602,054.39 × 135,067.83
  4. Step 4: Simplify right side
    401,328.08x = 81,318,179,999.27
  5. Step 5: Solve for x
    x = 81,318,179,999.27/401,328.08
  6. Step 6: Final answer
    x = 202,622.70

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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.