Finding the Fourth Proportional to 207,189.12, 310,582.08 and 132,074.88
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Solution
The fourth proportional to 207,189.12, 310,582.08 and 132,074.88 is: 197,983.81
Step by Step Solution
- Step 1: Write the proportion equation
207,189.12 : 310,582.08 = 132,074.88 : x - Step 2: Convert to fraction form
207,189.12/310,582.08 = 132,074.88/x - Step 3: Cross multiply
207,189.12x = 310,582.08 × 132,074.88 - Step 4: Simplify right side
207,189.12x = 41,020,090,946.15 - Step 5: Solve for x
x = 41,020,090,946.15/207,189.12 - Step 6: Final answer
x = 197,983.81
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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.