Finding the Fourth Proportional to 106,823.67, 160,235.30 and 40,278.73
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Solution
The fourth proportional to 106,823.67, 160,235.30 and 40,278.73 is: 60,418.02
Step by Step Solution
- Step 1: Write the proportion equation
106,823.67 : 160,235.30 = 40,278.73 : x - Step 2: Convert to fraction form
106,823.67/160,235.30 = 40,278.73/x - Step 3: Cross multiply
106,823.67x = 160,235.30 × 40,278.73 - Step 4: Simplify right side
106,823.67x = 6,454,074,385.17 - Step 5: Solve for x
x = 6,454,074,385.17/106,823.67 - Step 6: Final answer
x = 60,418.02
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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.