Home / 378,468.32-567,746.40-125,771.36

Finding the Fourth Proportional to 378,468.32, 567,746.40 and 125,771.36

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Solution

The fourth proportional to 378,468.32, 567,746.40 and 125,771.36 is: 188,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,468.32 : 567,746.40 = 125,771.36 : x
  2. Step 2: Convert to fraction form
    378,468.32/567,746.40 = 125,771.36/x
  3. Step 3: Cross multiply
    378,468.32x = 567,746.40 × 125,771.36
  4. Step 4: Simplify right side
    378,468.32x = 71,406,236,863.10
  5. Step 5: Solve for x
    x = 71,406,236,863.10/378,468.32
  6. Step 6: Final answer
    x = 188,671.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.