Finding the Fourth Proportional to 369,160.96, 509,442.46 and 199,395.08
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Solution
The fourth proportional to 369,160.96, 509,442.46 and 199,395.08 is: 275,165.40
Step by Step Solution
- Step 1: Write the proportion equation
369,160.96 : 509,442.46 = 199,395.08 : x - Step 2: Convert to fraction form
369,160.96/509,442.46 = 199,395.08/x - Step 3: Cross multiply
369,160.96x = 509,442.46 × 199,395.08 - Step 4: Simplify right side
369,160.96x = 101,580,320,067.10 - Step 5: Solve for x
x = 101,580,320,067.10/369,160.96 - Step 6: Final answer
x = 275,165.40
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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.