Home / 445,380.32-668,017.02-125,556.28

Finding the Fourth Proportional to 445,380.32, 668,017.02 and 125,556.28

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Solution

The fourth proportional to 445,380.32, 668,017.02 and 125,556.28 is: 188,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,380.32 : 668,017.02 = 125,556.28 : x
  2. Step 2: Convert to fraction form
    445,380.32/668,017.02 = 125,556.28/x
  3. Step 3: Cross multiply
    445,380.32x = 668,017.02 × 125,556.28
  4. Step 4: Simplify right side
    445,380.32x = 83,873,730,808.68
  5. Step 5: Solve for x
    x = 83,873,730,808.68/445,380.32
  6. Step 6: Final answer
    x = 188,319.35

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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.