Finding the Fourth Proportional to 302,772.75, 417,826.41 and 168,636.75
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Solution
The fourth proportional to 302,772.75, 417,826.41 and 168,636.75 is: 232,718.72
Step by Step Solution
- Step 1: Write the proportion equation
302,772.75 : 417,826.41 = 168,636.75 : x - Step 2: Convert to fraction form
302,772.75/417,826.41 = 168,636.75/x - Step 3: Cross multiply
302,772.75x = 417,826.41 × 168,636.75 - Step 4: Simplify right side
302,772.75x = 70,460,887,846.57 - Step 5: Solve for x
x = 70,460,887,846.57/302,772.75 - Step 6: Final answer
x = 232,718.72
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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.