Finding the Fourth Proportional to 439,208.37, 658,805.63 and 139,684.62
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Solution
The fourth proportional to 439,208.37, 658,805.63 and 139,684.62 is: 209,524.73
Step by Step Solution
- Step 1: Write the proportion equation
439,208.37 : 658,805.63 = 139,684.62 : x - Step 2: Convert to fraction form
439,208.37/658,805.63 = 139,684.62/x - Step 3: Cross multiply
439,208.37x = 658,805.63 × 139,684.62 - Step 4: Simplify right side
439,208.37x = 92,025,013,381.99 - Step 5: Solve for x
x = 92,025,013,381.99/439,208.37 - Step 6: Final answer
x = 209,524.73
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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.