Finding the Fourth Proportional to 206,815.55, 310,252.48 and 73,656.41
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Solution
The fourth proportional to 206,815.55, 310,252.48 and 73,656.41 is: 110,494.99
Step by Step Solution
- Step 1: Write the proportion equation
206,815.55 : 310,252.48 = 73,656.41 : x - Step 2: Convert to fraction form
206,815.55/310,252.48 = 73,656.41/x - Step 3: Cross multiply
206,815.55x = 310,252.48 × 73,656.41 - Step 4: Simplify right side
206,815.55x = 22,852,082,134.99 - Step 5: Solve for x
x = 22,852,082,134.99/206,815.55 - Step 6: Final answer
x = 110,494.99
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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.