Home / 260,467.20-390,830.40-148,233.60

Finding the Fourth Proportional to 260,467.20, 390,830.40 and 148,233.60

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Solution

The fourth proportional to 260,467.20, 390,830.40 and 148,233.60 is: 222,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,467.20 : 390,830.40 = 148,233.60 : x
  2. Step 2: Convert to fraction form
    260,467.20/390,830.40 = 148,233.60/x
  3. Step 3: Cross multiply
    260,467.20x = 390,830.40 × 148,233.60
  4. Step 4: Simplify right side
    260,467.20x = 57,934,197,181.44
  5. Step 5: Solve for x
    x = 57,934,197,181.44/260,467.20
  6. Step 6: Final answer
    x = 222,424.16

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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.