Finding the Fourth Proportional to 370,822.08, 511,744.50 and 209,701.13
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Solution
The fourth proportional to 370,822.08, 511,744.50 and 209,701.13 is: 289,393.23
Step by Step Solution
- Step 1: Write the proportion equation
370,822.08 : 511,744.50 = 209,701.13 : x - Step 2: Convert to fraction form
370,822.08/511,744.50 = 209,701.13/x - Step 3: Cross multiply
370,822.08x = 511,744.50 × 209,701.13 - Step 4: Simplify right side
370,822.08x = 107,313,399,921.29 - Step 5: Solve for x
x = 107,313,399,921.29/370,822.08 - Step 6: Final answer
x = 289,393.23
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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.