Finding the Fourth Proportional to 168,393.20, 252,371.09 and 68,437.07
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Solution
The fourth proportional to 168,393.20, 252,371.09 and 68,437.07 is: 102,566.71
Step by Step Solution
- Step 1: Write the proportion equation
168,393.20 : 252,371.09 = 68,437.07 : x - Step 2: Convert to fraction form
168,393.20/252,371.09 = 68,437.07/x - Step 3: Cross multiply
168,393.20x = 252,371.09 × 68,437.07 - Step 4: Simplify right side
168,393.20x = 17,271,536,348.27 - Step 5: Solve for x
x = 17,271,536,348.27/168,393.20 - Step 6: Final answer
x = 102,566.71
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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.