Finding the Fourth Proportional to 212,030.46, 292,618.74 and 121,414.95
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Solution
The fourth proportional to 212,030.46, 292,618.74 and 121,414.95 is: 167,562.20
Step by Step Solution
- Step 1: Write the proportion equation
212,030.46 : 292,618.74 = 121,414.95 : x - Step 2: Convert to fraction form
212,030.46/292,618.74 = 121,414.95/x - Step 3: Cross multiply
212,030.46x = 292,618.74 × 121,414.95 - Step 4: Simplify right side
212,030.46x = 35,528,289,686.16 - Step 5: Solve for x
x = 35,528,289,686.16/212,030.46 - Step 6: Final answer
x = 167,562.20
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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.