Home / 260,252.52-390,417.66-82,765.32

Finding the Fourth Proportional to 260,252.52, 390,417.66 and 82,765.32

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Solution

The fourth proportional to 260,252.52, 390,417.66 and 82,765.32 is: 124,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,252.52 : 390,417.66 = 82,765.32 : x
  2. Step 2: Convert to fraction form
    260,252.52/390,417.66 = 82,765.32/x
  3. Step 3: Cross multiply
    260,252.52x = 390,417.66 × 82,765.32
  4. Step 4: Simplify right side
    260,252.52x = 32,313,042,563.55
  5. Step 5: Solve for x
    x = 32,313,042,563.55/260,252.52
  6. Step 6: Final answer
    x = 124,160.34

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1.5x scale

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.