Finding the Fourth Proportional to 207,246.12, 310,869.14 and 57,486.40
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Solution
The fourth proportional to 207,246.12, 310,869.14 and 57,486.40 is: 86,229.59
Step by Step Solution
- Step 1: Write the proportion equation
207,246.12 : 310,869.14 = 57,486.40 : x - Step 2: Convert to fraction form
207,246.12/310,869.14 = 57,486.40/x - Step 3: Cross multiply
207,246.12x = 310,869.14 × 57,486.40 - Step 4: Simplify right side
207,246.12x = 17,870,747,729.70 - Step 5: Solve for x
x = 17,870,747,729.70/207,246.12 - Step 6: Final answer
x = 86,229.59
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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.