Home / 380,345.22-524,884.46-208,270.44

Finding the Fourth Proportional to 380,345.22, 524,884.46 and 208,270.44

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Solution

The fourth proportional to 380,345.22, 524,884.46 and 208,270.44 is: 287,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,345.22 : 524,884.46 = 208,270.44 : x
  2. Step 2: Convert to fraction form
    380,345.22/524,884.46 = 208,270.44/x
  3. Step 3: Cross multiply
    380,345.22x = 524,884.46 × 208,270.44
  4. Step 4: Simplify right side
    380,345.22x = 109,317,916,392.01
  5. Step 5: Solve for x
    x = 109,317,916,392.01/380,345.22
  6. Step 6: Final answer
    x = 287,417.62

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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.