Finding the Fourth Proportional to 197,283.92, 272,253.80 and 106,641.64
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Solution
The fourth proportional to 197,283.92, 272,253.80 and 106,641.64 is: 147,166.54
Step by Step Solution
- Step 1: Write the proportion equation
197,283.92 : 272,253.80 = 106,641.64 : x - Step 2: Convert to fraction form
197,283.92/272,253.80 = 106,641.64/x - Step 3: Cross multiply
197,283.92x = 272,253.80 × 106,641.64 - Step 4: Simplify right side
197,283.92x = 29,033,591,728.23 - Step 5: Solve for x
x = 29,033,591,728.23/197,283.92 - Step 6: Final answer
x = 147,166.54
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1.5x scale
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.