Home / 260,435.66-359,419.02-145,725.18

Finding the Fourth Proportional to 260,435.66, 359,419.02 and 145,725.18

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Solution

The fourth proportional to 260,435.66, 359,419.02 and 145,725.18 is: 201,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,435.66 : 359,419.02 = 145,725.18 : x
  2. Step 2: Convert to fraction form
    260,435.66/359,419.02 = 145,725.18/x
  3. Step 3: Cross multiply
    260,435.66x = 359,419.02 × 145,725.18
  4. Step 4: Simplify right side
    260,435.66x = 52,376,400,310.34
  5. Step 5: Solve for x
    x = 52,376,400,310.34/260,435.66
  6. Step 6: Final answer
    x = 201,110.71

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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.