Finding the Fourth Proportional to 97,458.17, 134,490.82 and 54,438.26
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Solution
The fourth proportional to 97,458.17, 134,490.82 and 54,438.26 is: 75,123.99
Step by Step Solution
- Step 1: Write the proportion equation
97,458.17 : 134,490.82 = 54,438.26 : x - Step 2: Convert to fraction form
97,458.17/134,490.82 = 54,438.26/x - Step 3: Cross multiply
97,458.17x = 134,490.82 × 54,438.26 - Step 4: Simplify right side
97,458.17x = 7,321,446,226.77 - Step 5: Solve for x
x = 7,321,446,226.77/97,458.17 - Step 6: Final answer
x = 75,123.99
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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.