Finding the Fourth Proportional to 165,338.62, 247,930.14 and 115,475.02
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Solution
The fourth proportional to 165,338.62, 247,930.14 and 115,475.02 is: 173,158.20
Step by Step Solution
- Step 1: Write the proportion equation
165,338.62 : 247,930.14 = 115,475.02 : x - Step 2: Convert to fraction form
165,338.62/247,930.14 = 115,475.02/x - Step 3: Cross multiply
165,338.62x = 247,930.14 × 115,475.02 - Step 4: Simplify right side
165,338.62x = 28,629,737,875.10 - Step 5: Solve for x
x = 28,629,737,875.10/165,338.62 - Step 6: Final answer
x = 173,158.20
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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.