Finding the Fourth Proportional to 252,495.04, 378,742.08 and 147,240.20
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Solution
The fourth proportional to 252,495.04, 378,742.08 and 147,240.20 is: 220,860.02
Step by Step Solution
- Step 1: Write the proportion equation
252,495.04 : 378,742.08 = 147,240.20 : x - Step 2: Convert to fraction form
252,495.04/378,742.08 = 147,240.20/x - Step 3: Cross multiply
252,495.04x = 378,742.08 × 147,240.20 - Step 4: Simplify right side
252,495.04x = 55,766,059,607.62 - Step 5: Solve for x
x = 55,766,059,607.62/252,495.04 - Step 6: Final answer
x = 220,860.02
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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.