Finding the Fourth Proportional to 77,222.66, 106,569.29 and 43,230.99
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Solution
The fourth proportional to 77,222.66, 106,569.29 and 43,230.99 is: 59,659.91
Step by Step Solution
- Step 1: Write the proportion equation
77,222.66 : 106,569.29 = 43,230.99 : x - Step 2: Convert to fraction form
77,222.66/106,569.29 = 43,230.99/x - Step 3: Cross multiply
77,222.66x = 106,569.29 × 43,230.99 - Step 4: Simplify right side
77,222.66x = 4,607,096,418.01 - Step 5: Solve for x
x = 4,607,096,418.01/77,222.66 - Step 6: Final answer
x = 59,659.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.