Finding the Fourth Proportional to 115,459.02, 172,868.99 and 59,177.79
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Solution
The fourth proportional to 115,459.02, 172,868.99 and 59,177.79 is: 88,602.90
Step by Step Solution
- Step 1: Write the proportion equation
115,459.02 : 172,868.99 = 59,177.79 : x - Step 2: Convert to fraction form
115,459.02/172,868.99 = 59,177.79/x - Step 3: Cross multiply
115,459.02x = 172,868.99 × 59,177.79 - Step 4: Simplify right side
115,459.02x = 10,230,004,491.84 - Step 5: Solve for x
x = 10,230,004,491.84/115,459.02 - Step 6: Final answer
x = 88,602.90
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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.