Finding the Fourth Proportional to 146,638.08, 219,902.40 and 57,862.08
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Solution
The fourth proportional to 146,638.08, 219,902.40 and 57,862.08 is: 86,771.53
Step by Step Solution
- Step 1: Write the proportion equation
146,638.08 : 219,902.40 = 57,862.08 : x - Step 2: Convert to fraction form
146,638.08/219,902.40 = 57,862.08/x - Step 3: Cross multiply
146,638.08x = 219,902.40 × 57,862.08 - Step 4: Simplify right side
146,638.08x = 12,724,010,260.99 - Step 5: Solve for x
x = 12,724,010,260.99/146,638.08 - Step 6: Final answer
x = 86,771.53
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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.