Home / 380,337.62-524,865.94-208,266.43

Finding the Fourth Proportional to 380,337.62, 524,865.94 and 208,266.43

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Solution

The fourth proportional to 380,337.62, 524,865.94 and 208,266.43 is: 287,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,337.62 : 524,865.94 = 208,266.43 : x
  2. Step 2: Convert to fraction form
    380,337.62/524,865.94 = 208,266.43/x
  3. Step 3: Cross multiply
    380,337.62x = 524,865.94 × 208,266.43
  4. Step 4: Simplify right side
    380,337.62x = 109,311,952,928.06
  5. Step 5: Solve for x
    x = 109,311,952,928.06/380,337.62
  6. Step 6: Final answer
    x = 287,407.68

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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.