Finding the Fourth Proportional to 212,756.24, 319,181.66 and 92,832.59
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Solution
The fourth proportional to 212,756.24, 319,181.66 and 92,832.59 is: 139,269.52
Step by Step Solution
- Step 1: Write the proportion equation
212,756.24 : 319,181.66 = 92,832.59 : x - Step 2: Convert to fraction form
212,756.24/319,181.66 = 92,832.59/x - Step 3: Cross multiply
212,756.24x = 319,181.66 × 92,832.59 - Step 4: Simplify right side
212,756.24x = 29,630,458,118.23 - Step 5: Solve for x
x = 29,630,458,118.23/212,756.24 - Step 6: Final answer
x = 139,269.52
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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.