Finding the Fourth Proportional to 415,458.06, 623,270.92 and 131,193.01
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Solution
The fourth proportional to 415,458.06, 623,270.92 and 131,193.01 is: 196,815.99
Step by Step Solution
- Step 1: Write the proportion equation
415,458.06 : 623,270.92 = 131,193.01 : x - Step 2: Convert to fraction form
415,458.06/623,270.92 = 131,193.01/x - Step 3: Cross multiply
415,458.06x = 623,270.92 × 131,193.01 - Step 4: Simplify right side
415,458.06x = 81,768,788,040.27 - Step 5: Solve for x
x = 81,768,788,040.27/415,458.06 - Step 6: Final answer
x = 196,815.99
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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.