Finding the Fourth Proportional to 370,579.86, 511,400.18 and 200,813.99
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Solution
The fourth proportional to 370,579.86, 511,400.18 and 200,813.99 is: 277,123.29
Step by Step Solution
- Step 1: Write the proportion equation
370,579.86 : 511,400.18 = 200,813.99 : x - Step 2: Convert to fraction form
370,579.86/511,400.18 = 200,813.99/x - Step 3: Cross multiply
370,579.86x = 511,400.18 × 200,813.99 - Step 4: Simplify right side
370,579.86x = 102,696,308,577.55 - Step 5: Solve for x
x = 102,696,308,577.55/370,579.86 - Step 6: Final answer
x = 277,123.29
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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.