Finding the Fourth Proportional to 168,419.98, 252,411.16 and 68,463.75
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Solution
The fourth proportional to 168,419.98, 252,411.16 and 68,463.75 is: 102,606.67
Step by Step Solution
- Step 1: Write the proportion equation
168,419.98 : 252,411.16 = 68,463.75 : x - Step 2: Convert to fraction form
168,419.98/252,411.16 = 68,463.75/x - Step 3: Cross multiply
168,419.98x = 252,411.16 × 68,463.75 - Step 4: Simplify right side
168,419.98x = 17,281,012,951.08 - Step 5: Solve for x
x = 17,281,012,951.08/168,419.98 - Step 6: Final answer
x = 102,606.67
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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.