Finding the Fourth Proportional to 667,430.51, 1,001,135.13 and 161,995.65
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Solution
The fourth proportional to 667,430.51, 1,001,135.13 and 161,995.65 is: 242,990.90
Step by Step Solution
- Step 1: Write the proportion equation
667,430.51 : 1,001,135.13 = 161,995.65 : x - Step 2: Convert to fraction form
667,430.51/1,001,135.13 = 161,995.65/x - Step 3: Cross multiply
667,430.51x = 1,001,135.13 × 161,995.65 - Step 4: Simplify right side
667,430.51x = 162,179,536,122.19 - Step 5: Solve for x
x = 162,179,536,122.19/667,430.51 - Step 6: Final answer
x = 242,990.90
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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.