Home / 380,277.10-524,788.61-208,192.19

Finding the Fourth Proportional to 380,277.10, 524,788.61 and 208,192.19

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Solution

The fourth proportional to 380,277.10, 524,788.61 and 208,192.19 is: 287,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,277.10 : 524,788.61 = 208,192.19 : x
  2. Step 2: Convert to fraction form
    380,277.10/524,788.61 = 208,192.19/x
  3. Step 3: Cross multiply
    380,277.10x = 524,788.61 × 208,192.19
  4. Step 4: Simplify right side
    380,277.10x = 109,256,887,954.35
  5. Step 5: Solve for x
    x = 109,256,887,954.35/380,277.10
  6. Step 6: Final answer
    x = 287,308.61

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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.