Finding the Fourth Proportional to 462,559.80, 638,440.38 and 301,135.08
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Solution
The fourth proportional to 462,559.80, 638,440.38 and 301,135.08 is: 415,636.63
Step by Step Solution
- Step 1: Write the proportion equation
462,559.80 : 638,440.38 = 301,135.08 : x - Step 2: Convert to fraction form
462,559.80/638,440.38 = 301,135.08/x - Step 3: Cross multiply
462,559.80x = 638,440.38 × 301,135.08 - Step 4: Simplify right side
462,559.80x = 192,256,794,906.53 - Step 5: Solve for x
x = 192,256,794,906.53/462,559.80 - Step 6: Final answer
x = 415,636.63
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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.