Finding the Fourth Proportional to 106,225.75, 159,365.96 and 39,666.33
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Solution
The fourth proportional to 106,225.75, 159,365.96 and 39,666.33 is: 59,509.70
Step by Step Solution
- Step 1: Write the proportion equation
106,225.75 : 159,365.96 = 39,666.33 : x - Step 2: Convert to fraction form
106,225.75/159,365.96 = 39,666.33/x - Step 3: Cross multiply
106,225.75x = 159,365.96 × 39,666.33 - Step 4: Simplify right side
106,225.75x = 6,321,462,760.13 - Step 5: Solve for x
x = 6,321,462,760.13/106,225.75 - Step 6: Final answer
x = 59,509.70
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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.