Finding the Fourth Proportional to 405,750.40, 608,625.60 and 106,230.40
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Solution
The fourth proportional to 405,750.40, 608,625.60 and 106,230.40 is: 159,345.60
Step by Step Solution
- Step 1: Write the proportion equation
405,750.40 : 608,625.60 = 106,230.40 : x - Step 2: Convert to fraction form
405,750.40/608,625.60 = 106,230.40/x - Step 3: Cross multiply
405,750.40x = 608,625.60 × 106,230.40 - Step 4: Simplify right side
405,750.40x = 64,654,540,938.24 - Step 5: Solve for x
x = 64,654,540,938.24/405,750.40 - Step 6: Final answer
x = 159,345.60
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1.5x scale
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.