Finding the Fourth Proportional to 230,641.44, 318,277.92 and 135,211.68
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Solution
The fourth proportional to 230,641.44, 318,277.92 and 135,211.68 is: 186,587.86
Step by Step Solution
- Step 1: Write the proportion equation
230,641.44 : 318,277.92 = 135,211.68 : x - Step 2: Convert to fraction form
230,641.44/318,277.92 = 135,211.68/x - Step 3: Cross multiply
230,641.44x = 318,277.92 × 135,211.68 - Step 4: Simplify right side
230,641.44x = 43,034,892,270.11 - Step 5: Solve for x
x = 43,034,892,270.11/230,641.44 - Step 6: Final answer
x = 186,587.86
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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.