Finding the Fourth Proportional to 212,284.58, 292,950.99 and 120,421.32
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Solution
The fourth proportional to 212,284.58, 292,950.99 and 120,421.32 is: 166,180.44
Step by Step Solution
- Step 1: Write the proportion equation
212,284.58 : 292,950.99 = 120,421.32 : x - Step 2: Convert to fraction form
212,284.58/292,950.99 = 120,421.32/x - Step 3: Cross multiply
212,284.58x = 292,950.99 × 120,421.32 - Step 4: Simplify right side
212,284.58x = 35,277,544,911.11 - Step 5: Solve for x
x = 35,277,544,911.11/212,284.58 - Step 6: Final answer
x = 166,180.44
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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.