Finding the Fourth Proportional to 212,223.95, 292,862.87 and 116,730.62
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Solution
The fourth proportional to 212,223.95, 292,862.87 and 116,730.62 is: 161,084.85
Step by Step Solution
- Step 1: Write the proportion equation
212,223.95 : 292,862.87 = 116,730.62 : x - Step 2: Convert to fraction form
212,223.95/292,862.87 = 116,730.62/x - Step 3: Cross multiply
212,223.95x = 292,862.87 × 116,730.62 - Step 4: Simplify right side
212,223.95x = 34,186,062,342.11 - Step 5: Solve for x
x = 34,186,062,342.11/212,223.95 - Step 6: Final answer
x = 161,084.85
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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.