Finding the Fourth Proportional to 106,358.02, 159,535.23 and 31,477.75
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Solution
The fourth proportional to 106,358.02, 159,535.23 and 31,477.75 is: 47,216.09
Step by Step Solution
- Step 1: Write the proportion equation
106,358.02 : 159,535.23 = 31,477.75 : x - Step 2: Convert to fraction form
106,358.02/159,535.23 = 31,477.75/x - Step 3: Cross multiply
106,358.02x = 159,535.23 × 31,477.75 - Step 4: Simplify right side
106,358.02x = 5,021,810,086.13 - Step 5: Solve for x
x = 5,021,810,086.13/106,358.02 - Step 6: Final answer
x = 47,216.09
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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.