Finding the Fourth Proportional to 161,811.71, 242,717.34 and 43,483.05
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Solution
The fourth proportional to 161,811.71, 242,717.34 and 43,483.05 is: 65,224.52
Step by Step Solution
- Step 1: Write the proportion equation
161,811.71 : 242,717.34 = 43,483.05 : x - Step 2: Convert to fraction form
161,811.71/242,717.34 = 43,483.05/x - Step 3: Cross multiply
161,811.71x = 242,717.34 × 43,483.05 - Step 4: Simplify right side
161,811.71x = 10,554,090,231.09 - Step 5: Solve for x
x = 10,554,090,231.09/161,811.71 - Step 6: Final answer
x = 65,224.52
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1.5x scale
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.