Home / 401,347.35-602,083.26-135,087.12

Finding the Fourth Proportional to 401,347.35, 602,083.26 and 135,087.12

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Solution

The fourth proportional to 401,347.35, 602,083.26 and 135,087.12 is: 202,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,347.35 : 602,083.26 = 135,087.12 : x
  2. Step 2: Convert to fraction form
    401,347.35/602,083.26 = 135,087.12/x
  3. Step 3: Cross multiply
    401,347.35x = 602,083.26 × 135,087.12
  4. Step 4: Simplify right side
    401,347.35x = 81,333,693,593.61
  5. Step 5: Solve for x
    x = 81,333,693,593.61/401,347.35
  6. Step 6: Final answer
    x = 202,651.63

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1.5x scale

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.