Finding the Fourth Proportional to 289,160.68, 399,041.68 and 161,836.28
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Solution
The fourth proportional to 289,160.68, 399,041.68 and 161,836.28 is: 223,334.03
Step by Step Solution
- Step 1: Write the proportion equation
289,160.68 : 399,041.68 = 161,836.28 : x - Step 2: Convert to fraction form
289,160.68/399,041.68 = 161,836.28/x - Step 3: Cross multiply
289,160.68x = 399,041.68 × 161,836.28 - Step 4: Simplify right side
289,160.68x = 64,579,421,056.15 - Step 5: Solve for x
x = 64,579,421,056.15/289,160.68 - Step 6: Final answer
x = 223,334.03
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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.