Finding the Fourth Proportional to 144,879.36, 217,342.08 and 61,774.08
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Solution
The fourth proportional to 144,879.36, 217,342.08 and 61,774.08 is: 92,670.94
Step by Step Solution
- Step 1: Write the proportion equation
144,879.36 : 217,342.08 = 61,774.08 : x - Step 2: Convert to fraction form
144,879.36/217,342.08 = 61,774.08/x - Step 3: Cross multiply
144,879.36x = 217,342.08 × 61,774.08 - Step 4: Simplify right side
144,879.36x = 13,426,107,037.29 - Step 5: Solve for x
x = 13,426,107,037.29/144,879.36 - Step 6: Final answer
x = 92,670.94
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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.