Finding the Fourth Proportional to 754,052.29, 1,131,068.48 and 185,438.30
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Solution
The fourth proportional to 754,052.29, 1,131,068.48 and 185,438.30 is: 278,154.99
Step by Step Solution
- Step 1: Write the proportion equation
754,052.29 : 1,131,068.48 = 185,438.30 : x - Step 2: Convert to fraction form
754,052.29/1,131,068.48 = 185,438.30/x - Step 3: Cross multiply
754,052.29x = 1,131,068.48 × 185,438.30 - Step 4: Simplify right side
754,052.29x = 209,743,409,532.25 - Step 5: Solve for x
x = 209,743,409,532.25/754,052.29 - Step 6: Final answer
x = 278,154.99
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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.