Home / 252,176.38-378,263.88-74,697.23

Finding the Fourth Proportional to 252,176.38, 378,263.88 and 74,697.23

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Solution

The fourth proportional to 252,176.38, 378,263.88 and 74,697.23 is: 112,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,176.38 : 378,263.88 = 74,697.23 : x
  2. Step 2: Convert to fraction form
    252,176.38/378,263.88 = 74,697.23/x
  3. Step 3: Cross multiply
    252,176.38x = 378,263.88 × 74,697.23
  4. Step 4: Simplify right side
    252,176.38x = 28,255,264,045.05
  5. Step 5: Solve for x
    x = 28,255,264,045.05/252,176.38
  6. Step 6: Final answer
    x = 112,045.64

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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.