Finding the Fourth Proportional to 334,135.20, 501,202.80 and 147,511.20
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Solution
The fourth proportional to 334,135.20, 501,202.80 and 147,511.20 is: 221,266.80
Step by Step Solution
- Step 1: Write the proportion equation
334,135.20 : 501,202.80 = 147,511.20 : x - Step 2: Convert to fraction form
334,135.20/501,202.80 = 147,511.20/x - Step 3: Cross multiply
334,135.20x = 501,202.80 × 147,511.20 - Step 4: Simplify right side
334,135.20x = 73,933,026,471.36 - Step 5: Solve for x
x = 73,933,026,471.36/334,135.20 - Step 6: Final answer
x = 221,266.80
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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.