Finding the Fourth Proportional to 112,566.24, 168,932.32 and 53,402.08
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Solution
The fourth proportional to 112,566.24, 168,932.32 and 53,402.08 is: 80,142.48
Step by Step Solution
- Step 1: Write the proportion equation
112,566.24 : 168,932.32 = 53,402.08 : x - Step 2: Convert to fraction form
112,566.24/168,932.32 = 53,402.08/x - Step 3: Cross multiply
112,566.24x = 168,932.32 × 53,402.08 - Step 4: Simplify right side
112,566.24x = 9,021,337,267.23 - Step 5: Solve for x
x = 9,021,337,267.23/112,566.24 - Step 6: Final answer
x = 80,142.48
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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.