Finding the Fourth Proportional to 301,739.67, 416,442.78 and 201,312.63
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Solution
The fourth proportional to 301,739.67, 416,442.78 and 201,312.63 is: 277,839.47
Step by Step Solution
- Step 1: Write the proportion equation
301,739.67 : 416,442.78 = 201,312.63 : x - Step 2: Convert to fraction form
301,739.67/416,442.78 = 201,312.63/x - Step 3: Cross multiply
301,739.67x = 416,442.78 × 201,312.63 - Step 4: Simplify right side
301,739.67x = 83,835,191,286.31 - Step 5: Solve for x
x = 83,835,191,286.31/301,739.67 - Step 6: Final answer
x = 277,839.47
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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.