Finding the Fourth Proportional to 197,157.60, 272,036.88 and 116,587.44
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Solution
The fourth proportional to 197,157.60, 272,036.88 and 116,587.44 is: 160,866.65
Step by Step Solution
- Step 1: Write the proportion equation
197,157.60 : 272,036.88 = 116,587.44 : x - Step 2: Convert to fraction form
197,157.60/272,036.88 = 116,587.44/x - Step 3: Cross multiply
197,157.60x = 272,036.88 × 116,587.44 - Step 4: Simplify right side
197,157.60x = 31,716,083,424.79 - Step 5: Solve for x
x = 31,716,083,424.79/197,157.60 - Step 6: Final answer
x = 160,866.65
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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.