Finding the Fourth Proportional to 203,343.14, 305,055.48 and 70,228.28
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Solution
The fourth proportional to 203,343.14, 305,055.48 and 70,228.28 is: 105,356.50
Step by Step Solution
- Step 1: Write the proportion equation
203,343.14 : 305,055.48 = 70,228.28 : x - Step 2: Convert to fraction form
203,343.14/305,055.48 = 70,228.28/x - Step 3: Cross multiply
203,343.14x = 305,055.48 × 70,228.28 - Step 4: Simplify right side
203,343.14x = 21,423,521,664.97 - Step 5: Solve for x
x = 21,423,521,664.97/203,343.14 - Step 6: Final answer
x = 105,356.50
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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.