Finding the Fourth Proportional to 169,888.40, 234,425.64 and 93,394.88
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Solution
The fourth proportional to 169,888.40, 234,425.64 and 93,394.88 is: 128,873.75
Step by Step Solution
- Step 1: Write the proportion equation
169,888.40 : 234,425.64 = 93,394.88 : x - Step 2: Convert to fraction form
169,888.40/234,425.64 = 93,394.88/x - Step 3: Cross multiply
169,888.40x = 234,425.64 × 93,394.88 - Step 4: Simplify right side
169,888.40x = 21,894,154,516.72 - Step 5: Solve for x
x = 21,894,154,516.72/169,888.40 - Step 6: Final answer
x = 128,873.75
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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.