Finding the Fourth Proportional to 169,898.09, 234,454.37 and 93,417.12
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Solution
The fourth proportional to 169,898.09, 234,454.37 and 93,417.12 is: 128,912.88
Step by Step Solution
- Step 1: Write the proportion equation
169,898.09 : 234,454.37 = 93,417.12 : x - Step 2: Convert to fraction form
169,898.09/234,454.37 = 93,417.12/x - Step 3: Cross multiply
169,898.09x = 234,454.37 × 93,417.12 - Step 4: Simplify right side
169,898.09x = 21,902,052,016.81 - Step 5: Solve for x
x = 21,902,052,016.81/169,898.09 - Step 6: Final answer
x = 128,912.88
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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.