Finding the Fourth Proportional to 306,730.20, 460,095.30 and 212,251.80
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Solution
The fourth proportional to 306,730.20, 460,095.30 and 212,251.80 is: 318,377.70
Step by Step Solution
- Step 1: Write the proportion equation
306,730.20 : 460,095.30 = 212,251.80 : x - Step 2: Convert to fraction form
306,730.20/460,095.30 = 212,251.80/x - Step 3: Cross multiply
306,730.20x = 460,095.30 × 212,251.80 - Step 4: Simplify right side
306,730.20x = 97,656,055,596.54 - Step 5: Solve for x
x = 97,656,055,596.54/306,730.20 - Step 6: Final answer
x = 318,377.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.