Finding the Fourth Proportional to 768,171.12, 1,152,277.74 and 207,204
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Solution
The fourth proportional to 768,171.12, 1,152,277.74 and 207,204 is: 310,811.68
Step by Step Solution
- Step 1: Write the proportion equation
768,171.12 : 1,152,277.74 = 207,204 : x - Step 2: Convert to fraction form
768,171.12/1,152,277.74 = 207,204/x - Step 3: Cross multiply
768,171.12x = 1,152,277.74 × 207,204 - Step 4: Simplify right side
768,171.12x = 238,756,556,838.96 - Step 5: Solve for x
x = 238,756,556,838.96/768,171.12 - Step 6: Final answer
x = 310,811.68
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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.