Finding the Fourth Proportional to 155,458.20, 232,841.70 and 134,722.20
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Solution
The fourth proportional to 155,458.20, 232,841.70 and 134,722.20 is: 201,783.80
Step by Step Solution
- Step 1: Write the proportion equation
155,458.20 : 232,841.70 = 134,722.20 : x - Step 2: Convert to fraction form
155,458.20/232,841.70 = 134,722.20/x - Step 3: Cross multiply
155,458.20x = 232,841.70 × 134,722.20 - Step 4: Simplify right side
155,458.20x = 31,368,946,075.74 - Step 5: Solve for x
x = 31,368,946,075.74/155,458.20 - Step 6: Final answer
x = 201,783.80
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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.