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Finding the Fourth Proportional to 260,796.66, 359,908.25 and 146,080.23

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Solution

The fourth proportional to 260,796.66, 359,908.25 and 146,080.23 is: 201,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,796.66 : 359,908.25 = 146,080.23 : x
  2. Step 2: Convert to fraction form
    260,796.66/359,908.25 = 146,080.23/x
  3. Step 3: Cross multiply
    260,796.66x = 359,908.25 × 146,080.23
  4. Step 4: Simplify right side
    260,796.66x = 52,575,479,208.50
  5. Step 5: Solve for x
    x = 52,575,479,208.50/260,796.66
  6. Step 6: Final answer
    x = 201,595.68

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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.