Finding the Fourth Proportional to 302,745.75, 417,802.11 and 168,609.75
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Solution
The fourth proportional to 302,745.75, 417,802.11 and 168,609.75 is: 232,688.68
Step by Step Solution
- Step 1: Write the proportion equation
302,745.75 : 417,802.11 = 168,609.75 : x - Step 2: Convert to fraction form
302,745.75/417,802.11 = 168,609.75/x - Step 3: Cross multiply
302,745.75x = 417,802.11 × 168,609.75 - Step 4: Simplify right side
302,745.75x = 70,445,509,316.57 - Step 5: Solve for x
x = 70,445,509,316.57/302,745.75 - Step 6: Final answer
x = 232,688.68
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1.5x scale
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.