Finding the Fourth Proportional to 783,019.68, 1,174,530.24 and 192,043.68
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Solution
The fourth proportional to 783,019.68, 1,174,530.24 and 192,043.68 is: 288,065.70
Step by Step Solution
- Step 1: Write the proportion equation
783,019.68 : 1,174,530.24 = 192,043.68 : x - Step 2: Convert to fraction form
783,019.68/1,174,530.24 = 192,043.68/x - Step 3: Cross multiply
783,019.68x = 1,174,530.24 × 192,043.68 - Step 4: Simplify right side
783,019.68x = 225,561,109,560.88 - Step 5: Solve for x
x = 225,561,109,560.88/783,019.68 - Step 6: Final answer
x = 288,065.70
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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.