Finding the Fourth Proportional to 106,428.61, 159,462.26 and 64,220.00
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Solution
The fourth proportional to 106,428.61, 159,462.26 and 64,220.00 is: 96,220.99
Step by Step Solution
- Step 1: Write the proportion equation
106,428.61 : 159,462.26 = 64,220.00 : x - Step 2: Convert to fraction form
106,428.61/159,462.26 = 64,220.00/x - Step 3: Cross multiply
106,428.61x = 159,462.26 × 64,220.00 - Step 4: Simplify right side
106,428.61x = 10,240,665,816.77 - Step 5: Solve for x
x = 10,240,665,816.77/106,428.61 - Step 6: Final answer
x = 96,220.99
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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.