Finding the Fourth Proportional to 207,246.51, 310,869.72 and 74,118.69
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Solution
The fourth proportional to 207,246.51, 310,869.72 and 74,118.69 is: 111,178.02
Step by Step Solution
- Step 1: Write the proportion equation
207,246.51 : 310,869.72 = 74,118.69 : x - Step 2: Convert to fraction form
207,246.51/310,869.72 = 74,118.69/x - Step 3: Cross multiply
207,246.51x = 310,869.72 × 74,118.69 - Step 4: Simplify right side
207,246.51x = 23,041,256,407.07 - Step 5: Solve for x
x = 23,041,256,407.07/207,246.51 - Step 6: Final answer
x = 111,178.02
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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.