Home / 401,551.14-602,382.29-135,387.77

Finding the Fourth Proportional to 401,551.14, 602,382.29 and 135,387.77

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Solution

The fourth proportional to 401,551.14, 602,382.29 and 135,387.77 is: 203,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,551.14 : 602,382.29 = 135,387.77 : x
  2. Step 2: Convert to fraction form
    401,551.14/602,382.29 = 135,387.77/x
  3. Step 3: Cross multiply
    401,551.14x = 602,382.29 × 135,387.77
  4. Step 4: Simplify right side
    401,551.14x = 81,555,191,241.74
  5. Step 5: Solve for x
    x = 81,555,191,241.74/401,551.14
  6. Step 6: Final answer
    x = 203,100.39

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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.