Finding the Fourth Proportional to 417,129.44, 575,631.12 and 235,838.24
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Solution
The fourth proportional to 417,129.44, 575,631.12 and 235,838.24 is: 325,452.53
Step by Step Solution
- Step 1: Write the proportion equation
417,129.44 : 575,631.12 = 235,838.24 : x - Step 2: Convert to fraction form
417,129.44/575,631.12 = 235,838.24/x - Step 3: Cross multiply
417,129.44x = 575,631.12 × 235,838.24 - Step 4: Simplify right side
417,129.44x = 135,755,830,230.03 - Step 5: Solve for x
x = 135,755,830,230.03/417,129.44 - Step 6: Final answer
x = 325,452.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.