Finding the Fourth Proportional to 307,954.20, 461,931.30 and 202,891.80
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Solution
The fourth proportional to 307,954.20, 461,931.30 and 202,891.80 is: 304,337.70
Step by Step Solution
- Step 1: Write the proportion equation
307,954.20 : 461,931.30 = 202,891.80 : x - Step 2: Convert to fraction form
307,954.20/461,931.30 = 202,891.80/x - Step 3: Cross multiply
307,954.20x = 461,931.30 × 202,891.80 - Step 4: Simplify right side
307,954.20x = 93,722,072,933.34 - Step 5: Solve for x
x = 93,722,072,933.34/307,954.20 - Step 6: Final answer
x = 304,337.70
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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.