Finding the Fourth Proportional to 169,982.12, 234,579.74 and 93,503.18
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Solution
The fourth proportional to 169,982.12, 234,579.74 and 93,503.18 is: 129,036.82
Step by Step Solution
- Step 1: Write the proportion equation
169,982.12 : 234,579.74 = 93,503.18 : x - Step 2: Convert to fraction form
169,982.12/234,579.74 = 93,503.18/x - Step 3: Cross multiply
169,982.12x = 234,579.74 × 93,503.18 - Step 4: Simplify right side
169,982.12x = 21,933,951,653.57 - Step 5: Solve for x
x = 21,933,951,653.57/169,982.12 - Step 6: Final answer
x = 129,036.82
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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.