Finding the Fourth Proportional to 119,660.36, 179,511.88 and 39,703.12
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Solution
The fourth proportional to 119,660.36, 179,511.88 and 39,703.12 is: 59,561.76
Step by Step Solution
- Step 1: Write the proportion equation
119,660.36 : 179,511.88 = 39,703.12 : x - Step 2: Convert to fraction form
119,660.36/179,511.88 = 39,703.12/x - Step 3: Cross multiply
119,660.36x = 179,511.88 × 39,703.12 - Step 4: Simplify right side
119,660.36x = 7,127,181,165.03 - Step 5: Solve for x
x = 7,127,181,165.03/119,660.36 - Step 6: Final answer
x = 59,561.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.