Finding the Fourth Proportional to 306,492.46, 422,951.52 and 170,526.67
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Solution
The fourth proportional to 306,492.46, 422,951.52 and 170,526.67 is: 235,322.31
Step by Step Solution
- Step 1: Write the proportion equation
306,492.46 : 422,951.52 = 170,526.67 : x - Step 2: Convert to fraction form
306,492.46/422,951.52 = 170,526.67/x - Step 3: Cross multiply
306,492.46x = 422,951.52 × 170,526.67 - Step 4: Simplify right side
306,492.46x = 72,124,513,859.13 - Step 5: Solve for x
x = 72,124,513,859.13/306,492.46 - Step 6: Final answer
x = 235,322.31
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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.