Finding the Fourth Proportional to 207,169.16, 310,752.85 and 57,409.02
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Solution
The fourth proportional to 207,169.16, 310,752.85 and 57,409.02 is: 86,113.28
Step by Step Solution
- Step 1: Write the proportion equation
207,169.16 : 310,752.85 = 57,409.02 : x - Step 2: Convert to fraction form
207,169.16/310,752.85 = 57,409.02/x - Step 3: Cross multiply
207,169.16x = 310,752.85 × 57,409.02 - Step 4: Simplify right side
207,169.16x = 17,840,015,343.62 - Step 5: Solve for x
x = 17,840,015,343.62/207,169.16 - Step 6: Final answer
x = 86,113.28
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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.