Home / 228,340.64-342,563.04-123,157.28

Finding the Fourth Proportional to 228,340.64, 342,563.04 and 123,157.28

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Solution

The fourth proportional to 228,340.64, 342,563.04 and 123,157.28 is: 184,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,340.64 : 342,563.04 = 123,157.28 : x
  2. Step 2: Convert to fraction form
    228,340.64/342,563.04 = 123,157.28/x
  3. Step 3: Cross multiply
    228,340.64x = 342,563.04 × 123,157.28
  4. Step 4: Simplify right side
    228,340.64x = 42,189,132,234.93
  5. Step 5: Solve for x
    x = 42,189,132,234.93/228,340.64
  6. Step 6: Final answer
    x = 184,764.01

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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.