Finding the Fourth Proportional to 306,377.63, 422,795.06 and 170,408.66
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Solution
The fourth proportional to 306,377.63, 422,795.06 and 170,408.66 is: 235,160.57
Step by Step Solution
- Step 1: Write the proportion equation
306,377.63 : 422,795.06 = 170,408.66 : x - Step 2: Convert to fraction form
306,377.63/422,795.06 = 170,408.66/x - Step 3: Cross multiply
306,377.63x = 422,795.06 × 170,408.66 - Step 4: Simplify right side
306,377.63x = 72,047,937,302.23 - Step 5: Solve for x
x = 72,047,937,302.23/306,377.63 - Step 6: Final answer
x = 235,160.57
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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.