Home / 401,441.85-602,163.81-135,389.25

Finding the Fourth Proportional to 401,441.85, 602,163.81 and 135,389.25

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Solution

The fourth proportional to 401,441.85, 602,163.81 and 135,389.25 is: 203,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,441.85 : 602,163.81 = 135,389.25 : x
  2. Step 2: Convert to fraction form
    401,441.85/602,163.81 = 135,389.25/x
  3. Step 3: Cross multiply
    401,441.85x = 602,163.81 × 135,389.25
  4. Step 4: Simplify right side
    401,441.85x = 81,526,506,613.04
  5. Step 5: Solve for x
    x = 81,526,506,613.04/401,441.85
  6. Step 6: Final answer
    x = 203,084.22

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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.