Finding the Fourth Proportional to 162,665.08, 224,475.61 and 91,045.09
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Solution
The fourth proportional to 162,665.08, 224,475.61 and 91,045.09 is: 125,640.99
Step by Step Solution
- Step 1: Write the proportion equation
162,665.08 : 224,475.61 = 91,045.09 : x - Step 2: Convert to fraction form
162,665.08/224,475.61 = 91,045.09/x - Step 3: Cross multiply
162,665.08x = 224,475.61 × 91,045.09 - Step 4: Simplify right side
162,665.08x = 20,437,402,115.25 - Step 5: Solve for x
x = 20,437,402,115.25/162,665.08 - Step 6: Final answer
x = 125,640.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.