Finding the Fourth Proportional to 419,473.03, 628,036.99 and 226,656.63
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Solution
The fourth proportional to 419,473.03, 628,036.99 and 226,656.63 is: 339,351.37
Step by Step Solution
- Step 1: Write the proportion equation
419,473.03 : 628,036.99 = 226,656.63 : x - Step 2: Convert to fraction form
419,473.03/628,036.99 = 226,656.63/x - Step 3: Cross multiply
419,473.03x = 628,036.99 × 226,656.63 - Step 4: Simplify right side
419,473.03x = 142,348,747,668.74 - Step 5: Solve for x
x = 142,348,747,668.74/419,473.03 - Step 6: Final answer
x = 339,351.37
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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.