Finding the Fourth Proportional to 207,235.42, 310,853.11 and 57,475.71
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Solution
The fourth proportional to 207,235.42, 310,853.11 and 57,475.71 is: 86,213.56
Step by Step Solution
- Step 1: Write the proportion equation
207,235.42 : 310,853.11 = 57,475.71 : x - Step 2: Convert to fraction form
207,235.42/310,853.11 = 57,475.71/x - Step 3: Cross multiply
207,235.42x = 310,853.11 × 57,475.71 - Step 4: Simplify right side
207,235.42x = 17,866,503,202.96 - Step 5: Solve for x
x = 17,866,503,202.96/207,235.42 - Step 6: Final answer
x = 86,213.56
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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.