Finding the Fourth Proportional to 207,236.11, 310,854.14 and 57,476.40
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Solution
The fourth proportional to 207,236.11, 310,854.14 and 57,476.40 is: 86,214.59
Step by Step Solution
- Step 1: Write the proportion equation
207,236.11 : 310,854.14 = 57,476.40 : x - Step 2: Convert to fraction form
207,236.11/310,854.14 = 57,476.40/x - Step 3: Cross multiply
207,236.11x = 310,854.14 × 57,476.40 - Step 4: Simplify right side
207,236.11x = 17,866,776,892.30 - Step 5: Solve for x
x = 17,866,776,892.30/207,236.11 - Step 6: Final answer
x = 86,214.59
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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.