Finding the Fourth Proportional to 207,368.40, 310,469.40 and 186,373.20
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Solution
The fourth proportional to 207,368.40, 310,469.40 and 186,373.20 is: 279,035.65
Step by Step Solution
- Step 1: Write the proportion equation
207,368.40 : 310,469.40 = 186,373.20 : x - Step 2: Convert to fraction form
207,368.40/310,469.40 = 186,373.20/x - Step 3: Cross multiply
207,368.40x = 310,469.40 × 186,373.20 - Step 4: Simplify right side
207,368.40x = 57,863,175,580.08 - Step 5: Solve for x
x = 57,863,175,580.08/207,368.40 - Step 6: Final answer
x = 279,035.65
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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.