Finding the Fourth Proportional to 370,723.91, 511,621.07 and 209,593.98
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Solution
The fourth proportional to 370,723.91, 511,621.07 and 209,593.98 is: 289,252.17
Step by Step Solution
- Step 1: Write the proportion equation
370,723.91 : 511,621.07 = 209,593.98 : x - Step 2: Convert to fraction form
370,723.91/511,621.07 = 209,593.98/x - Step 3: Cross multiply
370,723.91x = 511,621.07 × 209,593.98 - Step 4: Simplify right side
370,723.91x = 107,232,695,265.19 - Step 5: Solve for x
x = 107,232,695,265.19/370,723.91 - Step 6: Final answer
x = 289,252.17
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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.