Finding the Fourth Proportional to 306,197.64, 422,528.74 and 170,223.31
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Solution
The fourth proportional to 306,197.64, 422,528.74 and 170,223.31 is: 234,894.82
Step by Step Solution
- Step 1: Write the proportion equation
306,197.64 : 422,528.74 = 170,223.31 : x - Step 2: Convert to fraction form
306,197.64/422,528.74 = 170,223.31/x - Step 3: Cross multiply
306,197.64x = 422,528.74 × 170,223.31 - Step 4: Simplify right side
306,197.64x = 71,924,240,795.53 - Step 5: Solve for x
x = 71,924,240,795.53/306,197.64 - Step 6: Final answer
x = 234,894.82
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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.