Home / 260,468.10-390,410.55-148,202.10

Finding the Fourth Proportional to 260,468.10, 390,410.55 and 148,202.10

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Solution

The fourth proportional to 260,468.10, 390,410.55 and 148,202.10 is: 222,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,468.10 : 390,410.55 = 148,202.10 : x
  2. Step 2: Convert to fraction form
    260,468.10/390,410.55 = 148,202.10/x
  3. Step 3: Cross multiply
    260,468.10x = 390,410.55 × 148,202.10
  4. Step 4: Simplify right side
    260,468.10x = 57,859,663,372.16
  5. Step 5: Solve for x
    x = 57,859,663,372.16/260,468.10
  6. Step 6: Final answer
    x = 222,137.23

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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.