Home / 380,372.04-524,919.86-208,287.24

Finding the Fourth Proportional to 380,372.04, 524,919.86 and 208,287.24

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Solution

The fourth proportional to 380,372.04, 524,919.86 and 208,287.24 is: 287,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,372.04 : 524,919.86 = 208,287.24 : x
  2. Step 2: Convert to fraction form
    380,372.04/524,919.86 = 208,287.24/x
  3. Step 3: Cross multiply
    380,372.04x = 524,919.86 × 208,287.24
  4. Step 4: Simplify right side
    380,372.04x = 109,334,108,860.59
  5. Step 5: Solve for x
    x = 109,334,108,860.59/380,372.04
  6. Step 6: Final answer
    x = 287,439.92

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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.