Finding the Fourth Proportional to 288,171.36, 432,277.80 and 110,678.38
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Solution
The fourth proportional to 288,171.36, 432,277.80 and 110,678.38 is: 166,025.54
Step by Step Solution
- Step 1: Write the proportion equation
288,171.36 : 432,277.80 = 110,678.38 : x - Step 2: Convert to fraction form
288,171.36/432,277.80 = 110,678.38/x - Step 3: Cross multiply
288,171.36x = 432,277.80 × 110,678.38 - Step 4: Simplify right side
288,171.36x = 47,843,806,613.96 - Step 5: Solve for x
x = 47,843,806,613.96/288,171.36 - Step 6: Final answer
x = 166,025.54
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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.