Home / 370,821.38-555,902.18-134,111.44

Finding the Fourth Proportional to 370,821.38, 555,902.18 and 134,111.44

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Solution

The fourth proportional to 370,821.38, 555,902.18 and 134,111.44 is: 201,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,821.38 : 555,902.18 = 134,111.44 : x
  2. Step 2: Convert to fraction form
    370,821.38/555,902.18 = 134,111.44/x
  3. Step 3: Cross multiply
    370,821.38x = 555,902.18 × 134,111.44
  4. Step 4: Simplify right side
    370,821.38x = 74,552,841,858.94
  5. Step 5: Solve for x
    x = 74,552,841,858.94/370,821.38
  6. Step 6: Final answer
    x = 201,047.85

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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.