Home / 260,552.30-390,902.25-134,284.64

Finding the Fourth Proportional to 260,552.30, 390,902.25 and 134,284.64

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Solution

The fourth proportional to 260,552.30, 390,902.25 and 134,284.64 is: 201,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,552.30 : 390,902.25 = 134,284.64 : x
  2. Step 2: Convert to fraction form
    260,552.30/390,902.25 = 134,284.64/x
  3. Step 3: Cross multiply
    260,552.30x = 390,902.25 × 134,284.64
  4. Step 4: Simplify right side
    260,552.30x = 52,492,166,465.50
  5. Step 5: Solve for x
    x = 52,492,166,465.50/260,552.30
  6. Step 6: Final answer
    x = 201,464.99

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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.