Finding the Fourth Proportional to 207,269.10, 310,903.65 and 74,153.70
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Solution
The fourth proportional to 207,269.10, 310,903.65 and 74,153.70 is: 111,230.55
Step by Step Solution
- Step 1: Write the proportion equation
207,269.10 : 310,903.65 = 74,153.70 : x - Step 2: Convert to fraction form
207,269.10/310,903.65 = 74,153.70/x - Step 3: Cross multiply
207,269.10x = 310,903.65 × 74,153.70 - Step 4: Simplify right side
207,269.10x = 23,054,655,991.01 - Step 5: Solve for x
x = 23,054,655,991.01/207,269.10 - Step 6: Final answer
x = 111,230.55
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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.