Finding the Fourth Proportional to 395,090.06, 545,224.29 and 213,801.99
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Solution
The fourth proportional to 395,090.06, 545,224.29 and 213,801.99 is: 295,046.75
Step by Step Solution
- Step 1: Write the proportion equation
395,090.06 : 545,224.29 = 213,801.99 : x - Step 2: Convert to fraction form
395,090.06/545,224.29 = 213,801.99/x - Step 3: Cross multiply
395,090.06x = 545,224.29 × 213,801.99 - Step 4: Simplify right side
395,090.06x = 116,570,038,788.29 - Step 5: Solve for x
x = 116,570,038,788.29/395,090.06 - Step 6: Final answer
x = 295,046.75
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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.