Home / 401,741.62-602,709.87-121,242.10

Finding the Fourth Proportional to 401,741.62, 602,709.87 and 121,242.10

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Solution

The fourth proportional to 401,741.62, 602,709.87 and 121,242.10 is: 181,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,741.62 : 602,709.87 = 121,242.10 : x
  2. Step 2: Convert to fraction form
    401,741.62/602,709.87 = 121,242.10/x
  3. Step 3: Cross multiply
    401,741.62x = 602,709.87 × 121,242.10
  4. Step 4: Simplify right side
    401,741.62x = 73,073,810,329.53
  5. Step 5: Solve for x
    x = 73,073,810,329.53/401,741.62
  6. Step 6: Final answer
    x = 181,892.56

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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.