Finding the Fourth Proportional to 293,090.07, 439,405.43 and 115,729.84
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Solution
The fourth proportional to 293,090.07, 439,405.43 and 115,729.84 is: 173,504.07
Step by Step Solution
- Step 1: Write the proportion equation
293,090.07 : 439,405.43 = 115,729.84 : x - Step 2: Convert to fraction form
293,090.07/439,405.43 = 115,729.84/x - Step 3: Cross multiply
293,090.07x = 439,405.43 × 115,729.84 - Step 4: Simplify right side
293,090.07x = 50,852,320,109.03 - Step 5: Solve for x
x = 50,852,320,109.03/293,090.07 - Step 6: Final answer
x = 173,504.07
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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.