Finding the Fourth Proportional to 828,971.97, 1,243,457.84 and 229,933.13
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Solution
The fourth proportional to 828,971.97, 1,243,457.84 and 229,933.13 is: 344,899.67
Step by Step Solution
- Step 1: Write the proportion equation
828,971.97 : 1,243,457.84 = 229,933.13 : x - Step 2: Convert to fraction form
828,971.97/1,243,457.84 = 229,933.13/x - Step 3: Cross multiply
828,971.97x = 1,243,457.84 × 229,933.13 - Step 4: Simplify right side
828,971.97x = 285,912,154,849.59 - Step 5: Solve for x
x = 285,912,154,849.59/828,971.97 - Step 6: Final answer
x = 344,899.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.