Finding the Fourth Proportional to 161,647.86, 242,471.80 and 49,328.66
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Solution
The fourth proportional to 161,647.86, 242,471.80 and 49,328.66 is: 73,992.99
Step by Step Solution
- Step 1: Write the proportion equation
161,647.86 : 242,471.80 = 49,328.66 : x - Step 2: Convert to fraction form
161,647.86/242,471.80 = 49,328.66/x - Step 3: Cross multiply
161,647.86x = 242,471.80 × 49,328.66 - Step 4: Simplify right side
161,647.86x = 11,960,808,981.79 - Step 5: Solve for x
x = 11,960,808,981.79/161,647.86 - Step 6: Final answer
x = 73,992.99
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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.