Home / 380,303.36-524,797.83-208,188.04

Finding the Fourth Proportional to 380,303.36, 524,797.83 and 208,188.04

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Solution

The fourth proportional to 380,303.36, 524,797.83 and 208,188.04 is: 287,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,303.36 : 524,797.83 = 208,188.04 : x
  2. Step 2: Convert to fraction form
    380,303.36/524,797.83 = 208,188.04/x
  3. Step 3: Cross multiply
    380,303.36x = 524,797.83 × 208,188.04
  4. Step 4: Simplify right side
    380,303.36x = 109,256,630,311.96
  5. Step 5: Solve for x
    x = 109,256,630,311.96/380,303.36
  6. Step 6: Final answer
    x = 287,288.10

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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.