Home / 380,358.27-524,889.99-208,274.58

Finding the Fourth Proportional to 380,358.27, 524,889.99 and 208,274.58

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Solution

The fourth proportional to 380,358.27, 524,889.99 and 208,274.58 is: 287,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,358.27 : 524,889.99 = 208,274.58 : x
  2. Step 2: Convert to fraction form
    380,358.27/524,889.99 = 208,274.58/x
  3. Step 3: Cross multiply
    380,358.27x = 524,889.99 × 208,274.58
  4. Step 4: Simplify right side
    380,358.27x = 109,321,242,213.45
  5. Step 5: Solve for x
    x = 109,321,242,213.45/380,358.27
  6. Step 6: Final answer
    x = 287,416.50

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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.