Finding the Fourth Proportional to 201,617.70, 302,426.55 and 154,961.70
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Solution
The fourth proportional to 201,617.70, 302,426.55 and 154,961.70 is: 232,442.55
Step by Step Solution
- Step 1: Write the proportion equation
201,617.70 : 302,426.55 = 154,961.70 : x - Step 2: Convert to fraction form
201,617.70/302,426.55 = 154,961.70/x - Step 3: Cross multiply
201,617.70x = 302,426.55 × 154,961.70 - Step 4: Simplify right side
201,617.70x = 46,864,532,313.14 - Step 5: Solve for x
x = 46,864,532,313.14/201,617.70 - Step 6: Final answer
x = 232,442.55
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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.