Finding the Fourth Proportional to 307,117.09, 423,802.97 and 169,289.99
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Solution
The fourth proportional to 307,117.09, 423,802.97 and 169,289.99 is: 233,609.92
Step by Step Solution
- Step 1: Write the proportion equation
307,117.09 : 423,802.97 = 169,289.99 : x - Step 2: Convert to fraction form
307,117.09/423,802.97 = 169,289.99/x - Step 3: Cross multiply
307,117.09x = 423,802.97 × 169,289.99 - Step 4: Simplify right side
307,117.09x = 71,745,599,706.82 - Step 5: Solve for x
x = 71,745,599,706.82/307,117.09 - Step 6: Final answer
x = 233,609.92
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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.