Finding the Fourth Proportional to 449,545.93, 674,650.73 and 212,888.23
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Solution
The fourth proportional to 449,545.93, 674,650.73 and 212,888.23 is: 319,489.49
Step by Step Solution
- Step 1: Write the proportion equation
449,545.93 : 674,650.73 = 212,888.23 : x - Step 2: Convert to fraction form
449,545.93/674,650.73 = 212,888.23/x - Step 3: Cross multiply
449,545.93x = 674,650.73 × 212,888.23 - Step 4: Simplify right side
449,545.93x = 143,625,199,777.91 - Step 5: Solve for x
x = 143,625,199,777.91/449,545.93 - Step 6: Final answer
x = 319,489.49
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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.