Finding the Fourth Proportional to 370,847.99, 511,780.29 and 209,727.14
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Solution
The fourth proportional to 370,847.99, 511,780.29 and 209,727.14 is: 289,429.14
Step by Step Solution
- Step 1: Write the proportion equation
370,847.99 : 511,780.29 = 209,727.14 : x - Step 2: Convert to fraction form
370,847.99/511,780.29 = 209,727.14/x - Step 3: Cross multiply
370,847.99x = 511,780.29 × 209,727.14 - Step 4: Simplify right side
370,847.99x = 107,334,213,971.17 - Step 5: Solve for x
x = 107,334,213,971.17/370,847.99 - Step 6: Final answer
x = 289,429.14
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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.