Finding the Fourth Proportional to 168,839.01, 232,812.36 and 108,386.82
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Solution
The fourth proportional to 168,839.01, 232,812.36 and 108,386.82 is: 149,454.75
Step by Step Solution
- Step 1: Write the proportion equation
168,839.01 : 232,812.36 = 108,386.82 : x - Step 2: Convert to fraction form
168,839.01/232,812.36 = 108,386.82/x - Step 3: Cross multiply
168,839.01x = 232,812.36 × 108,386.82 - Step 4: Simplify right side
168,839.01x = 25,233,791,357.10 - Step 5: Solve for x
x = 25,233,791,357.10/168,839.01 - Step 6: Final answer
x = 149,454.75
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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.