Finding the Fourth Proportional to 454,379.94, 681,569.80 and 121,955.94
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Solution
The fourth proportional to 454,379.94, 681,569.80 and 121,955.94 is: 182,933.88
Step by Step Solution
- Step 1: Write the proportion equation
454,379.94 : 681,569.80 = 121,955.94 : x - Step 2: Convert to fraction form
454,379.94/681,569.80 = 121,955.94/x - Step 3: Cross multiply
454,379.94x = 681,569.80 × 121,955.94 - Step 4: Simplify right side
454,379.94x = 83,121,485,634.61 - Step 5: Solve for x
x = 83,121,485,634.61/454,379.94 - Step 6: Final answer
x = 182,933.88
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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.