Home / 380,280.49-524,793.26-208,195.55

Finding the Fourth Proportional to 380,280.49, 524,793.26 and 208,195.55

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Solution

The fourth proportional to 380,280.49, 524,793.26 and 208,195.55 is: 287,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,280.49 : 524,793.26 = 208,195.55 : x
  2. Step 2: Convert to fraction form
    380,280.49/524,793.26 = 208,195.55/x
  3. Step 3: Cross multiply
    380,280.49x = 524,793.26 × 208,195.55
  4. Step 4: Simplify right side
    380,280.49x = 109,259,621,266.49
  5. Step 5: Solve for x
    x = 109,259,621,266.49/380,280.49
  6. Step 6: Final answer
    x = 287,313.25

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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.