Home / 310,849.72-428,942.25-174,880.82

Finding the Fourth Proportional to 310,849.72, 428,942.25 and 174,880.82

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Solution

The fourth proportional to 310,849.72, 428,942.25 and 174,880.82 is: 241,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,849.72 : 428,942.25 = 174,880.82 : x
  2. Step 2: Convert to fraction form
    310,849.72/428,942.25 = 174,880.82/x
  3. Step 3: Cross multiply
    310,849.72x = 428,942.25 × 174,880.82
  4. Step 4: Simplify right side
    310,849.72x = 75,013,773,485.00
  5. Step 5: Solve for x
    x = 75,013,773,485.00/310,849.72
  6. Step 6: Final answer
    x = 241,318.45

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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.