Home / 388,175.94-581,917.62-151,463.55

Finding the Fourth Proportional to 388,175.94, 581,917.62 and 151,463.55

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Solution

The fourth proportional to 388,175.94, 581,917.62 and 151,463.55 is: 227,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,175.94 : 581,917.62 = 151,463.55 : x
  2. Step 2: Convert to fraction form
    388,175.94/581,917.62 = 151,463.55/x
  3. Step 3: Cross multiply
    388,175.94x = 581,917.62 × 151,463.55
  4. Step 4: Simplify right side
    388,175.94x = 88,139,308,532.75
  5. Step 5: Solve for x
    x = 88,139,308,532.75/388,175.94
  6. Step 6: Final answer
    x = 227,060.21

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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.