Finding the Fourth Proportional to 207,620.70, 310,938.98 and 207,620.70
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Solution
The fourth proportional to 207,620.70, 310,938.98 and 207,620.70 is: 310,938.98
Step by Step Solution
- Step 1: Write the proportion equation
207,620.70 : 310,938.98 = 207,620.70 : x - Step 2: Convert to fraction form
207,620.70/310,938.98 = 207,620.70/x - Step 3: Cross multiply
207,620.70x = 310,938.98 × 207,620.70 - Step 4: Simplify right side
207,620.70x = 64,557,367,646.78 - Step 5: Solve for x
x = 64,557,367,646.78/207,620.70 - Step 6: Final answer
x = 310,938.98
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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.