Home / 388,344.66-581,729.67-200,962.50

Finding the Fourth Proportional to 388,344.66, 581,729.67 and 200,962.50

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Solution

The fourth proportional to 388,344.66, 581,729.67 and 200,962.50 is: 301,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,344.66 : 581,729.67 = 200,962.50 : x
  2. Step 2: Convert to fraction form
    388,344.66/581,729.67 = 200,962.50/x
  3. Step 3: Cross multiply
    388,344.66x = 581,729.67 × 200,962.50
  4. Step 4: Simplify right side
    388,344.66x = 116,905,848,807.38
  5. Step 5: Solve for x
    x = 116,905,848,807.38/388,344.66
  6. Step 6: Final answer
    x = 301,036.32

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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.