Finding the Fourth Proportional to 135,021.60, 202,370.40 and 56,095.20
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Solution
The fourth proportional to 135,021.60, 202,370.40 and 56,095.20 is: 84,075.50
Step by Step Solution
- Step 1: Write the proportion equation
135,021.60 : 202,370.40 = 56,095.20 : x - Step 2: Convert to fraction form
135,021.60/202,370.40 = 56,095.20/x - Step 3: Cross multiply
135,021.60x = 202,370.40 × 56,095.20 - Step 4: Simplify right side
135,021.60x = 11,352,008,062.08 - Step 5: Solve for x
x = 11,352,008,062.08/135,021.60 - Step 6: Final answer
x = 84,075.50
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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.