Finding the Fourth Proportional to 212,193.83, 292,828.30 and 116,706.53
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Solution
The fourth proportional to 212,193.83, 292,828.30 and 116,706.53 is: 161,055.46
Step by Step Solution
- Step 1: Write the proportion equation
212,193.83 : 292,828.30 = 116,706.53 : x - Step 2: Convert to fraction form
212,193.83/292,828.30 = 116,706.53/x - Step 3: Cross multiply
212,193.83x = 292,828.30 × 116,706.53 - Step 4: Simplify right side
212,193.83x = 34,174,974,778.80 - Step 5: Solve for x
x = 34,174,974,778.80/212,193.83 - Step 6: Final answer
x = 161,055.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.