Finding the Fourth Proportional to 108,028.24, 161,943.84 and 37,869.28
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Solution
The fourth proportional to 108,028.24, 161,943.84 and 37,869.28 is: 56,769.38
Step by Step Solution
- Step 1: Write the proportion equation
108,028.24 : 161,943.84 = 37,869.28 : x - Step 2: Convert to fraction form
108,028.24/161,943.84 = 37,869.28/x - Step 3: Cross multiply
108,028.24x = 161,943.84 × 37,869.28 - Step 4: Simplify right side
108,028.24x = 6,132,696,621.24 - Step 5: Solve for x
x = 6,132,696,621.24/108,028.24 - Step 6: Final answer
x = 56,769.38
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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.