Home / 380,934.08-571,439.36-141,112.56

Finding the Fourth Proportional to 380,934.08, 571,439.36 and 141,112.56

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Solution

The fourth proportional to 380,934.08, 571,439.36 and 141,112.56 is: 211,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,934.08 : 571,439.36 = 141,112.56 : x
  2. Step 2: Convert to fraction form
    380,934.08/571,439.36 = 141,112.56/x
  3. Step 3: Cross multiply
    380,934.08x = 571,439.36 × 141,112.56
  4. Step 4: Simplify right side
    380,934.08x = 80,637,270,974.36
  5. Step 5: Solve for x
    x = 80,637,270,974.36/380,934.08
  6. Step 6: Final answer
    x = 211,683.01

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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.