Finding the Fourth Proportional to 289,070.68, 398,869.94 and 181,564.13
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Solution
The fourth proportional to 289,070.68, 398,869.94 and 181,564.13 is: 250,528.60
Step by Step Solution
- Step 1: Write the proportion equation
289,070.68 : 398,869.94 = 181,564.13 : x - Step 2: Convert to fraction form
289,070.68/398,869.94 = 181,564.13/x - Step 3: Cross multiply
289,070.68x = 398,869.94 × 181,564.13 - Step 4: Simplify right side
289,070.68x = 72,420,473,639.25 - Step 5: Solve for x
x = 72,420,473,639.25/289,070.68 - Step 6: Final answer
x = 250,528.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.