Finding the Fourth Proportional to 106,823.97, 160,272.95 and 40,283.19
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Solution
The fourth proportional to 106,823.97, 160,272.95 and 40,283.19 is: 60,438.73
Step by Step Solution
- Step 1: Write the proportion equation
106,823.97 : 160,272.95 = 40,283.19 : x - Step 2: Convert to fraction form
106,823.97/160,272.95 = 40,283.19/x - Step 3: Cross multiply
106,823.97x = 160,272.95 × 40,283.19 - Step 4: Simplify right side
106,823.97x = 6,456,305,495.29 - Step 5: Solve for x
x = 6,456,305,495.29/106,823.97 - Step 6: Final answer
x = 60,438.73
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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.