Finding the Fourth Proportional to 666,436.35, 999,644.69 and 160,992.99
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Solution
The fourth proportional to 666,436.35, 999,644.69 and 160,992.99 is: 241,487.11
Step by Step Solution
- Step 1: Write the proportion equation
666,436.35 : 999,644.69 = 160,992.99 : x - Step 2: Convert to fraction form
666,436.35/999,644.69 = 160,992.99/x - Step 3: Cross multiply
666,436.35x = 999,644.69 × 160,992.99 - Step 4: Simplify right side
666,436.35x = 160,935,786,775.76 - Step 5: Solve for x
x = 160,935,786,775.76/666,436.35 - Step 6: Final answer
x = 241,487.11
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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.