Finding the Fourth Proportional to 413,283.40, 620,313.18 and 203,072.20
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Solution
The fourth proportional to 413,283.40, 620,313.18 and 203,072.20 is: 304,798.99
Step by Step Solution
- Step 1: Write the proportion equation
413,283.40 : 620,313.18 = 203,072.20 : x - Step 2: Convert to fraction form
413,283.40/620,313.18 = 203,072.20/x - Step 3: Cross multiply
413,283.40x = 620,313.18 × 203,072.20 - Step 4: Simplify right side
413,283.40x = 125,968,362,151.60 - Step 5: Solve for x
x = 125,968,362,151.60/413,283.40 - Step 6: Final answer
x = 304,798.99
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1.5x scale
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.