Finding the Fourth Proportional to 613,302.67, 920,107.10 and 213,946.75
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Solution
The fourth proportional to 613,302.67, 920,107.10 and 213,946.75 is: 320,973.53
Step by Step Solution
- Step 1: Write the proportion equation
613,302.67 : 920,107.10 = 213,946.75 : x - Step 2: Convert to fraction form
613,302.67/920,107.10 = 213,946.75/x - Step 3: Cross multiply
613,302.67x = 920,107.10 × 213,946.75 - Step 4: Simplify right side
613,302.67x = 196,853,923,696.93 - Step 5: Solve for x
x = 196,853,923,696.93/613,302.67 - Step 6: Final answer
x = 320,973.53
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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.