Finding the Fourth Proportional to 302,201.36, 452,930.24 and 133,539.92
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Solution
The fourth proportional to 302,201.36, 452,930.24 and 133,539.92 is: 200,145.59
Step by Step Solution
- Step 1: Write the proportion equation
302,201.36 : 452,930.24 = 133,539.92 : x - Step 2: Convert to fraction form
302,201.36/452,930.24 = 133,539.92/x - Step 3: Cross multiply
302,201.36x = 452,930.24 × 133,539.92 - Step 4: Simplify right side
302,201.36x = 60,484,268,015.18 - Step 5: Solve for x
x = 60,484,268,015.18/302,201.36 - Step 6: Final answer
x = 200,145.59
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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.