Finding the Fourth Proportional to 312,934.29, 469,485.69 and 161,048.63
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Solution
The fourth proportional to 312,934.29, 469,485.69 and 161,048.63 is: 241,616.31
Step by Step Solution
- Step 1: Write the proportion equation
312,934.29 : 469,485.69 = 161,048.63 : x - Step 2: Convert to fraction form
312,934.29/469,485.69 = 161,048.63/x - Step 3: Cross multiply
312,934.29x = 469,485.69 × 161,048.63 - Step 4: Simplify right side
312,934.29x = 75,610,027,179.10 - Step 5: Solve for x
x = 75,610,027,179.10/312,934.29 - Step 6: Final answer
x = 241,616.31
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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.