Finding the Fourth Proportional to 155,159.87, 232,551.68 and 70,804.44
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Solution
The fourth proportional to 155,159.87, 232,551.68 and 70,804.44 is: 106,120.81
Step by Step Solution
- Step 1: Write the proportion equation
155,159.87 : 232,551.68 = 70,804.44 : x - Step 2: Convert to fraction form
155,159.87/232,551.68 = 70,804.44/x - Step 3: Cross multiply
155,159.87x = 232,551.68 × 70,804.44 - Step 4: Simplify right side
155,159.87x = 16,465,691,119.44 - Step 5: Solve for x
x = 16,465,691,119.44/155,159.87 - Step 6: Final answer
x = 106,120.81
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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.