Finding the Fourth Proportional to 667,432.99, 1,001,138.88 and 161,998.15
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Solution
The fourth proportional to 667,432.99, 1,001,138.88 and 161,998.15 is: 242,994.65
Step by Step Solution
- Step 1: Write the proportion equation
667,432.99 : 1,001,138.88 = 161,998.15 : x - Step 2: Convert to fraction form
667,432.99/1,001,138.88 = 161,998.15/x - Step 3: Cross multiply
667,432.99x = 1,001,138.88 × 161,998.15 - Step 4: Simplify right side
667,432.99x = 162,182,646,453.07 - Step 5: Solve for x
x = 162,182,646,453.07/667,432.99 - Step 6: Final answer
x = 242,994.65
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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.