Finding the Fourth Proportional to 405,573.60, 608,157.36 and 125,054.40
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Solution
The fourth proportional to 405,573.60, 608,157.36 and 125,054.40 is: 187,518.99
Step by Step Solution
- Step 1: Write the proportion equation
405,573.60 : 608,157.36 = 125,054.40 : x - Step 2: Convert to fraction form
405,573.60/608,157.36 = 125,054.40/x - Step 3: Cross multiply
405,573.60x = 608,157.36 × 125,054.40 - Step 4: Simplify right side
405,573.60x = 76,052,753,760.38 - Step 5: Solve for x
x = 76,052,753,760.38/405,573.60 - Step 6: Final answer
x = 187,518.99
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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.