Finding the Fourth Proportional to 171,811.08, 237,107.42 and 107,318.51
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Solution
The fourth proportional to 171,811.08, 237,107.42 and 107,318.51 is: 148,104.61
Step by Step Solution
- Step 1: Write the proportion equation
171,811.08 : 237,107.42 = 107,318.51 : x - Step 2: Convert to fraction form
171,811.08/237,107.42 = 107,318.51/x - Step 3: Cross multiply
171,811.08x = 237,107.42 × 107,318.51 - Step 4: Simplify right side
171,811.08x = 25,446,013,302.21 - Step 5: Solve for x
x = 25,446,013,302.21/171,811.08 - Step 6: Final answer
x = 148,104.61
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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.