Finding the Fourth Proportional to 197,739.01, 272,878.25 and 107,092.88
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Solution
The fourth proportional to 197,739.01, 272,878.25 and 107,092.88 is: 147,787.32
Step by Step Solution
- Step 1: Write the proportion equation
197,739.01 : 272,878.25 = 107,092.88 : x - Step 2: Convert to fraction form
197,739.01/272,878.25 = 107,092.88/x - Step 3: Cross multiply
197,739.01x = 272,878.25 × 107,092.88 - Step 4: Simplify right side
197,739.01x = 29,223,318,631.79 - Step 5: Solve for x
x = 29,223,318,631.79/197,739.01 - Step 6: Final answer
x = 147,787.32
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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.