Finding the Fourth Proportional to 338,090.58, 465,998.13 and 269,888.99
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Solution
The fourth proportional to 338,090.58, 465,998.13 and 269,888.99 is: 371,994.28
Step by Step Solution
- Step 1: Write the proportion equation
338,090.58 : 465,998.13 = 269,888.99 : x - Step 2: Convert to fraction form
338,090.58/465,998.13 = 269,888.99/x - Step 3: Cross multiply
338,090.58x = 465,998.13 × 269,888.99 - Step 4: Simplify right side
338,090.58x = 125,767,762,317.60 - Step 5: Solve for x
x = 125,767,762,317.60/338,090.58 - Step 6: Final answer
x = 371,994.28
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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.