Finding the Fourth Proportional to 231,658.79, 347,376.87 and 98,466.84
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Solution
The fourth proportional to 231,658.79, 347,376.87 and 98,466.84 is: 147,652.95
Step by Step Solution
- Step 1: Write the proportion equation
231,658.79 : 347,376.87 = 98,466.84 : x - Step 2: Convert to fraction form
231,658.79/347,376.87 = 98,466.84/x - Step 3: Cross multiply
231,658.79x = 347,376.87 × 98,466.84 - Step 4: Simplify right side
231,658.79x = 34,205,102,677.99 - Step 5: Solve for x
x = 34,205,102,677.99/231,658.79 - Step 6: Final answer
x = 147,652.95
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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.