Finding the Fourth Proportional to 749,538.12, 1,124,144.34 and 237,243.09
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Solution
The fourth proportional to 749,538.12, 1,124,144.34 and 237,243.09 is: 355,813.09
Step by Step Solution
- Step 1: Write the proportion equation
749,538.12 : 1,124,144.34 = 237,243.09 : x - Step 2: Convert to fraction form
749,538.12/1,124,144.34 = 237,243.09/x - Step 3: Cross multiply
749,538.12x = 1,124,144.34 × 237,243.09 - Step 4: Simplify right side
749,538.12x = 266,695,476,827.61 - Step 5: Solve for x
x = 266,695,476,827.61/749,538.12 - Step 6: Final answer
x = 355,813.09
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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.