Finding the Fourth Proportional to 436,442.11, 602,284.31 and 245,455.49
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Solution
The fourth proportional to 436,442.11, 602,284.31 and 245,455.49 is: 338,725.32
Step by Step Solution
- Step 1: Write the proportion equation
436,442.11 : 602,284.31 = 245,455.49 : x - Step 2: Convert to fraction form
436,442.11/602,284.31 = 245,455.49/x - Step 3: Cross multiply
436,442.11x = 602,284.31 × 245,455.49 - Step 4: Simplify right side
436,442.11x = 147,833,991,629.25 - Step 5: Solve for x
x = 147,833,991,629.25/436,442.11 - Step 6: Final answer
x = 338,725.32
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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.