Finding the Fourth Proportional to 749,531.75, 1,124,134.79 and 237,236.72
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Solution
The fourth proportional to 749,531.75, 1,124,134.79 and 237,236.72 is: 355,803.53
Step by Step Solution
- Step 1: Write the proportion equation
749,531.75 : 1,124,134.79 = 237,236.72 : x - Step 2: Convert to fraction form
749,531.75/1,124,134.79 = 237,236.72/x - Step 3: Cross multiply
749,531.75x = 1,124,134.79 × 237,236.72 - Step 4: Simplify right side
749,531.75x = 266,686,043,610.63 - Step 5: Solve for x
x = 266,686,043,610.63/749,531.75 - Step 6: Final answer
x = 355,803.53
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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.