Finding the Fourth Proportional to 407,502.09, 611,172.27 and 205,044.21
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Solution
The fourth proportional to 407,502.09, 611,172.27 and 205,044.21 is: 307,525.63
Step by Step Solution
- Step 1: Write the proportion equation
407,502.09 : 611,172.27 = 205,044.21 : x - Step 2: Convert to fraction form
407,502.09/611,172.27 = 205,044.21/x - Step 3: Cross multiply
407,502.09x = 611,172.27 × 205,044.21 - Step 4: Simplify right side
407,502.09x = 125,317,335,276.06 - Step 5: Solve for x
x = 125,317,335,276.06/407,502.09 - Step 6: Final answer
x = 307,525.63
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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.