Finding the Fourth Proportional to 102,997.45, 154,596.06 and 49,726.99
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Solution
The fourth proportional to 102,997.45, 154,596.06 and 49,726.99 is: 74,638.71
Step by Step Solution
- Step 1: Write the proportion equation
102,997.45 : 154,596.06 = 49,726.99 : x - Step 2: Convert to fraction form
102,997.45/154,596.06 = 49,726.99/x - Step 3: Cross multiply
102,997.45x = 154,596.06 × 49,726.99 - Step 4: Simplify right side
102,997.45x = 7,687,596,729.66 - Step 5: Solve for x
x = 7,687,596,729.66/102,997.45 - Step 6: Final answer
x = 74,638.71
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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.