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Finding the Fourth Proportional to 366,331.32, 549,054 and 188,741.40

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Solution

The fourth proportional to 366,331.32, 549,054 and 188,741.40 is: 282,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,331.32 : 549,054 = 188,741.40 : x
  2. Step 2: Convert to fraction form
    366,331.32/549,054 = 188,741.40/x
  3. Step 3: Cross multiply
    366,331.32x = 549,054 × 188,741.40
  4. Step 4: Simplify right side
    366,331.32x = 103,629,220,635.60
  5. Step 5: Solve for x
    x = 103,629,220,635.60/366,331.32
  6. Step 6: Final answer
    x = 282,883.87

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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.