Home / 388,450.46-536,144.36-261,052.25

Finding the Fourth Proportional to 388,450.46, 536,144.36 and 261,052.25

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Solution

The fourth proportional to 388,450.46, 536,144.36 and 261,052.25 is: 360,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,450.46 : 536,144.36 = 261,052.25 : x
  2. Step 2: Convert to fraction form
    388,450.46/536,144.36 = 261,052.25/x
  3. Step 3: Cross multiply
    388,450.46x = 536,144.36 × 261,052.25
  4. Step 4: Simplify right side
    388,450.46x = 139,961,687,516.83
  5. Step 5: Solve for x
    x = 139,961,687,516.83/388,450.46
  6. Step 6: Final answer
    x = 360,307.69

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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.