Finding the Fourth Proportional to 286,102.34, 394,795.15 and 169,795.75
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Solution
The fourth proportional to 286,102.34, 394,795.15 and 169,795.75 is: 234,302.66
Step by Step Solution
- Step 1: Write the proportion equation
286,102.34 : 394,795.15 = 169,795.75 : x - Step 2: Convert to fraction form
286,102.34/394,795.15 = 169,795.75/x - Step 3: Cross multiply
286,102.34x = 394,795.15 × 169,795.75 - Step 4: Simplify right side
286,102.34x = 67,034,538,590.61 - Step 5: Solve for x
x = 67,034,538,590.61/286,102.34 - Step 6: Final answer
x = 234,302.66
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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.