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Finding the Fourth Proportional to 260,875.74, 359,922.24 and 180,274.26

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Solution

The fourth proportional to 260,875.74, 359,922.24 and 180,274.26 is: 248,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,875.74 : 359,922.24 = 180,274.26 : x
  2. Step 2: Convert to fraction form
    260,875.74/359,922.24 = 180,274.26/x
  3. Step 3: Cross multiply
    260,875.74x = 359,922.24 × 180,274.26
  4. Step 4: Simplify right side
    260,875.74x = 64,884,715,473.54
  5. Step 5: Solve for x
    x = 64,884,715,473.54/260,875.74
  6. Step 6: Final answer
    x = 248,718.86

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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.