Finding the Fourth Proportional to 294,981.46, 407,109.36 and 167,676.18
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Solution
The fourth proportional to 294,981.46, 407,109.36 and 167,676.18 is: 231,412.99
Step by Step Solution
- Step 1: Write the proportion equation
294,981.46 : 407,109.36 = 167,676.18 : x - Step 2: Convert to fraction form
294,981.46/407,109.36 = 167,676.18/x - Step 3: Cross multiply
294,981.46x = 407,109.36 × 167,676.18 - Step 4: Simplify right side
294,981.46x = 68,262,542,327.04 - Step 5: Solve for x
x = 68,262,542,327.04/294,981.46 - Step 6: Final answer
x = 231,412.99
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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.