Finding the Fourth Proportional to 381,194.08, 526,110.80 and 211,482.88
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Solution
The fourth proportional to 381,194.08, 526,110.80 and 211,482.88 is: 291,881.31
Step by Step Solution
- Step 1: Write the proportion equation
381,194.08 : 526,110.80 = 211,482.88 : x - Step 2: Convert to fraction form
381,194.08/526,110.80 = 211,482.88/x - Step 3: Cross multiply
381,194.08x = 526,110.80 × 211,482.88 - Step 4: Simplify right side
381,194.08x = 111,263,427,183.10 - Step 5: Solve for x
x = 111,263,427,183.10/381,194.08 - Step 6: Final answer
x = 291,881.31
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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.