Finding the Fourth Proportional to 370,787.70, 511,688.16 and 201,021.96
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Solution
The fourth proportional to 370,787.70, 511,688.16 and 201,021.96 is: 277,410.92
Step by Step Solution
- Step 1: Write the proportion equation
370,787.70 : 511,688.16 = 201,021.96 : x - Step 2: Convert to fraction form
370,787.70/511,688.16 = 201,021.96/x - Step 3: Cross multiply
370,787.70x = 511,688.16 × 201,021.96 - Step 4: Simplify right side
370,787.70x = 102,860,556,831.99 - Step 5: Solve for x
x = 102,860,556,831.99/370,787.70 - Step 6: Final answer
x = 277,410.92
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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.