Finding the Fourth Proportional to 274,719.24, 412,014.16 and 74,992.12
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Solution
The fourth proportional to 274,719.24, 412,014.16 and 74,992.12 is: 112,470.52
Step by Step Solution
- Step 1: Write the proportion equation
274,719.24 : 412,014.16 = 74,992.12 : x - Step 2: Convert to fraction form
274,719.24/412,014.16 = 74,992.12/x - Step 3: Cross multiply
274,719.24x = 412,014.16 × 74,992.12 - Step 4: Simplify right side
274,719.24x = 30,897,815,328.42 - Step 5: Solve for x
x = 30,897,815,328.42/274,719.24 - Step 6: Final answer
x = 112,470.52
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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.