Home / 380,327.97-524,860.65-208,253.19

Finding the Fourth Proportional to 380,327.97, 524,860.65 and 208,253.19

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Solution

The fourth proportional to 380,327.97, 524,860.65 and 208,253.19 is: 287,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,327.97 : 524,860.65 = 208,253.19 : x
  2. Step 2: Convert to fraction form
    380,327.97/524,860.65 = 208,253.19/x
  3. Step 3: Cross multiply
    380,327.97x = 524,860.65 × 208,253.19
  4. Step 4: Simplify right side
    380,327.97x = 109,303,904,667.97
  5. Step 5: Solve for x
    x = 109,303,904,667.97/380,327.97
  6. Step 6: Final answer
    x = 287,393.81

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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.