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Finding the Fourth Proportional to 260,261.82, 359,158.84 and 145,539.15

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Solution

The fourth proportional to 260,261.82, 359,158.84 and 145,539.15 is: 200,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,261.82 : 359,158.84 = 145,539.15 : x
  2. Step 2: Convert to fraction form
    260,261.82/359,158.84 = 145,539.15/x
  3. Step 3: Cross multiply
    260,261.82x = 359,158.84 × 145,539.15
  4. Step 4: Simplify right side
    260,261.82x = 52,271,672,288.59
  5. Step 5: Solve for x
    x = 52,271,672,288.59/260,261.82
  6. Step 6: Final answer
    x = 200,842.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.