Finding the Fourth Proportional to 405,577.60, 608,163.36 and 125,058.40
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Solution
The fourth proportional to 405,577.60, 608,163.36 and 125,058.40 is: 187,524.99
Step by Step Solution
- Step 1: Write the proportion equation
405,577.60 : 608,163.36 = 125,058.40 : x - Step 2: Convert to fraction form
405,577.60/608,163.36 = 125,058.40/x - Step 3: Cross multiply
405,577.60x = 608,163.36 × 125,058.40 - Step 4: Simplify right side
405,577.60x = 76,055,936,740.22 - Step 5: Solve for x
x = 76,055,936,740.22/405,577.60 - Step 6: Final answer
x = 187,524.99
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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.