Finding the Fourth Proportional to 207,278.60, 310,529.10 and 193,281.80
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Solution
The fourth proportional to 207,278.60, 310,529.10 and 193,281.80 is: 289,560.15
Step by Step Solution
- Step 1: Write the proportion equation
207,278.60 : 310,529.10 = 193,281.80 : x - Step 2: Convert to fraction form
207,278.60/310,529.10 = 193,281.80/x - Step 3: Cross multiply
207,278.60x = 310,529.10 × 193,281.80 - Step 4: Simplify right side
207,278.60x = 60,019,623,400.38 - Step 5: Solve for x
x = 60,019,623,400.38/207,278.60 - Step 6: Final answer
x = 289,560.15
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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.