Finding the Fourth Proportional to 135,043.40, 202,565.10 and 133,075.10
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Solution
The fourth proportional to 135,043.40, 202,565.10 and 133,075.10 is: 199,612.65
Step by Step Solution
- Step 1: Write the proportion equation
135,043.40 : 202,565.10 = 133,075.10 : x - Step 2: Convert to fraction form
135,043.40/202,565.10 = 133,075.10/x - Step 3: Cross multiply
135,043.40x = 202,565.10 × 133,075.10 - Step 4: Simplify right side
135,043.40x = 26,956,370,939.01 - Step 5: Solve for x
x = 26,956,370,939.01/135,043.40 - Step 6: Final answer
x = 199,612.65
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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.