Finding the Fourth Proportional to 207,202.19, 310,897.58 and 100,528.56
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Solution
The fourth proportional to 207,202.19, 310,897.58 and 100,528.56 is: 150,838.59
Step by Step Solution
- Step 1: Write the proportion equation
207,202.19 : 310,897.58 = 100,528.56 : x - Step 2: Convert to fraction form
207,202.19/310,897.58 = 100,528.56/x - Step 3: Cross multiply
207,202.19x = 310,897.58 × 100,528.56 - Step 4: Simplify right side
207,202.19x = 31,254,085,522.24 - Step 5: Solve for x
x = 31,254,085,522.24/207,202.19 - Step 6: Final answer
x = 150,838.59
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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.