Home / 401,452.56-554,031.36-231,683.04

Finding the Fourth Proportional to 401,452.56, 554,031.36 and 231,683.04

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Solution

The fourth proportional to 401,452.56, 554,031.36 and 231,683.04 is: 319,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,452.56 : 554,031.36 = 231,683.04 : x
  2. Step 2: Convert to fraction form
    401,452.56/554,031.36 = 231,683.04/x
  3. Step 3: Cross multiply
    401,452.56x = 554,031.36 × 231,683.04
  4. Step 4: Simplify right side
    401,452.56x = 128,359,669,740.13
  5. Step 5: Solve for x
    x = 128,359,669,740.13/401,452.56
  6. Step 6: Final answer
    x = 319,738.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.