Finding the Fourth Proportional to 193,464.50, 288,893.95 and 157,996.18
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Solution
The fourth proportional to 193,464.50, 288,893.95 and 157,996.18 is: 235,930.32
Step by Step Solution
- Step 1: Write the proportion equation
193,464.50 : 288,893.95 = 157,996.18 : x - Step 2: Convert to fraction form
193,464.50/288,893.95 = 157,996.18/x - Step 3: Cross multiply
193,464.50x = 288,893.95 × 157,996.18 - Step 4: Simplify right side
193,464.50x = 45,644,140,359.96 - Step 5: Solve for x
x = 45,644,140,359.96/193,464.50 - Step 6: Final answer
x = 235,930.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.