Finding the Fourth Proportional to 114,331.72, 171,461.22 and 106,868.65
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Solution
The fourth proportional to 114,331.72, 171,461.22 and 106,868.65 is: 160,268.99
Step by Step Solution
- Step 1: Write the proportion equation
114,331.72 : 171,461.22 = 106,868.65 : x - Step 2: Convert to fraction form
114,331.72/171,461.22 = 106,868.65/x - Step 3: Cross multiply
114,331.72x = 171,461.22 × 106,868.65 - Step 4: Simplify right side
114,331.72x = 18,323,829,108.75 - Step 5: Solve for x
x = 18,323,829,108.75/114,331.72 - Step 6: Final answer
x = 160,268.99
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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.