Finding the Fourth Proportional to 370,890.20, 511,828.76 and 201,124.28
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Solution
The fourth proportional to 370,890.20, 511,828.76 and 201,124.28 is: 277,551.66
Step by Step Solution
- Step 1: Write the proportion equation
370,890.20 : 511,828.76 = 201,124.28 : x - Step 2: Convert to fraction form
370,890.20/511,828.76 = 201,124.28/x - Step 3: Cross multiply
370,890.20x = 511,828.76 × 201,124.28 - Step 4: Simplify right side
370,890.20x = 102,941,189,832.67 - Step 5: Solve for x
x = 102,941,189,832.67/370,890.20 - Step 6: Final answer
x = 277,551.66
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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.