Finding the Fourth Proportional to 97,442.40, 134,474.40 and 54,998.40
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Solution
The fourth proportional to 97,442.40, 134,474.40 and 54,998.40 is: 75,899.99
Step by Step Solution
- Step 1: Write the proportion equation
97,442.40 : 134,474.40 = 54,998.40 : x - Step 2: Convert to fraction form
97,442.40/134,474.40 = 54,998.40/x - Step 3: Cross multiply
97,442.40x = 134,474.40 × 54,998.40 - Step 4: Simplify right side
97,442.40x = 7,395,876,840.96 - Step 5: Solve for x
x = 7,395,876,840.96/97,442.40 - Step 6: Final answer
x = 75,899.99
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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.