Finding the Fourth Proportional to 97,464.36, 134,501.92 and 57,178.80
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Solution
The fourth proportional to 97,464.36, 134,501.92 and 57,178.80 is: 78,907.39
Step by Step Solution
- Step 1: Write the proportion equation
97,464.36 : 134,501.92 = 57,178.80 : x - Step 2: Convert to fraction form
97,464.36/134,501.92 = 57,178.80/x - Step 3: Cross multiply
97,464.36x = 134,501.92 × 57,178.80 - Step 4: Simplify right side
97,464.36x = 7,690,658,383.30 - Step 5: Solve for x
x = 7,690,658,383.30/97,464.36 - Step 6: Final answer
x = 78,907.39
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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.