Home / 380,311.26-524,809.56-208,196.25

Finding the Fourth Proportional to 380,311.26, 524,809.56 and 208,196.25

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Solution

The fourth proportional to 380,311.26, 524,809.56 and 208,196.25 is: 287,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,311.26 : 524,809.56 = 208,196.25 : x
  2. Step 2: Convert to fraction form
    380,311.26/524,809.56 = 208,196.25/x
  3. Step 3: Cross multiply
    380,311.26x = 524,809.56 × 208,196.25
  4. Step 4: Simplify right side
    380,311.26x = 109,263,382,356.15
  5. Step 5: Solve for x
    x = 109,263,382,356.15/380,311.26
  6. Step 6: Final answer
    x = 287,299.89

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1.5x scale

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.