Home / 380,282.59-524,796.20-208,197.69

Finding the Fourth Proportional to 380,282.59, 524,796.20 and 208,197.69

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Solution

The fourth proportional to 380,282.59, 524,796.20 and 208,197.69 is: 287,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,282.59 : 524,796.20 = 208,197.69 : x
  2. Step 2: Convert to fraction form
    380,282.59/524,796.20 = 208,197.69/x
  3. Step 3: Cross multiply
    380,282.59x = 524,796.20 × 208,197.69
  4. Step 4: Simplify right side
    380,282.59x = 109,261,356,560.78
  5. Step 5: Solve for x
    x = 109,261,356,560.78/380,282.59
  6. Step 6: Final answer
    x = 287,316.22

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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.