Home / 259,325.44-388,832.64-118,908.16

Finding the Fourth Proportional to 259,325.44, 388,832.64 and 118,908.16

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Solution

The fourth proportional to 259,325.44, 388,832.64 and 118,908.16 is: 178,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,325.44 : 388,832.64 = 118,908.16 : x
  2. Step 2: Convert to fraction form
    259,325.44/388,832.64 = 118,908.16/x
  3. Step 3: Cross multiply
    259,325.44x = 388,832.64 × 118,908.16
  4. Step 4: Simplify right side
    259,325.44x = 46,235,373,770.34
  5. Step 5: Solve for x
    x = 46,235,373,770.34/259,325.44
  6. Step 6: Final answer
    x = 178,290.93

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1.5x scale

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.