Finding the Fourth Proportional to 198,258.57, 273,592.49 and 107,614.71
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Solution
The fourth proportional to 198,258.57, 273,592.49 and 107,614.71 is: 148,505.94
Step by Step Solution
- Step 1: Write the proportion equation
198,258.57 : 273,592.49 = 107,614.71 : x - Step 2: Convert to fraction form
198,258.57/273,592.49 = 107,614.71/x - Step 3: Cross multiply
198,258.57x = 273,592.49 × 107,614.71 - Step 4: Simplify right side
198,258.57x = 29,442,575,931.45 - Step 5: Solve for x
x = 29,442,575,931.45/198,258.57 - Step 6: Final answer
x = 148,505.94
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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.