Finding the Fourth Proportional to 132,415.13, 198,356.76 and 61,238.00
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Solution
The fourth proportional to 132,415.13, 198,356.76 and 61,238.00 is: 91,734.02
Step by Step Solution
- Step 1: Write the proportion equation
132,415.13 : 198,356.76 = 61,238.00 : x - Step 2: Convert to fraction form
132,415.13/198,356.76 = 61,238.00/x - Step 3: Cross multiply
132,415.13x = 198,356.76 × 61,238.00 - Step 4: Simplify right side
132,415.13x = 12,146,971,764.77 - Step 5: Solve for x
x = 12,146,971,764.77/132,415.13 - Step 6: Final answer
x = 91,734.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.