Finding the Fourth Proportional to 132,696.78, 198,848.35 and 97,464.21
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Solution
The fourth proportional to 132,696.78, 198,848.35 and 97,464.21 is: 146,051.75
Step by Step Solution
- Step 1: Write the proportion equation
132,696.78 : 198,848.35 = 97,464.21 : x - Step 2: Convert to fraction form
132,696.78/198,848.35 = 97,464.21/x - Step 3: Cross multiply
132,696.78x = 198,848.35 × 97,464.21 - Step 4: Simplify right side
132,696.78x = 19,380,597,848.25 - Step 5: Solve for x
x = 19,380,597,848.25/132,696.78 - Step 6: Final answer
x = 146,051.75
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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.