Finding the Fourth Proportional to 405,537.76, 559,645.01 and 221,777.14
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Solution
The fourth proportional to 405,537.76, 559,645.01 and 221,777.14 is: 306,054.03
Step by Step Solution
- Step 1: Write the proportion equation
405,537.76 : 559,645.01 = 221,777.14 : x - Step 2: Convert to fraction form
405,537.76/559,645.01 = 221,777.14/x - Step 3: Cross multiply
405,537.76x = 559,645.01 × 221,777.14 - Step 4: Simplify right side
405,537.76x = 124,116,465,825.96 - Step 5: Solve for x
x = 124,116,465,825.96/405,537.76 - Step 6: Final answer
x = 306,054.03
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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.