Finding the Fourth Proportional to 665,718.77, 998,162.11 and 281,269.99
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Solution
The fourth proportional to 665,718.77, 998,162.11 and 281,269.99 is: 421,729.20
Step by Step Solution
- Step 1: Write the proportion equation
665,718.77 : 998,162.11 = 281,269.99 : x - Step 2: Convert to fraction form
665,718.77/998,162.11 = 281,269.99/x - Step 3: Cross multiply
665,718.77x = 998,162.11 × 281,269.99 - Step 4: Simplify right side
665,718.77x = 280,753,046,698.08 - Step 5: Solve for x
x = 280,753,046,698.08/665,718.77 - Step 6: Final answer
x = 421,729.20
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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.