Finding the Fourth Proportional to 163,316.84, 225,320.34 and 102,892.88
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Solution
The fourth proportional to 163,316.84, 225,320.34 and 102,892.88 is: 141,956.33
Step by Step Solution
- Step 1: Write the proportion equation
163,316.84 : 225,320.34 = 102,892.88 : x - Step 2: Convert to fraction form
163,316.84/225,320.34 = 102,892.88/x - Step 3: Cross multiply
163,316.84x = 225,320.34 × 102,892.88 - Step 4: Simplify right side
163,316.84x = 23,183,858,705.18 - Step 5: Solve for x
x = 23,183,858,705.18/163,316.84 - Step 6: Final answer
x = 141,956.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.