Finding the Fourth Proportional to 106,807.23, 160,221.69 and 40,303.26
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Solution
The fourth proportional to 106,807.23, 160,221.69 and 40,303.26 is: 60,458.98
Step by Step Solution
- Step 1: Write the proportion equation
106,807.23 : 160,221.69 = 40,303.26 : x - Step 2: Convert to fraction form
106,807.23/160,221.69 = 40,303.26/x - Step 3: Cross multiply
106,807.23x = 160,221.69 × 40,303.26 - Step 4: Simplify right side
106,807.23x = 6,457,456,429.71 - Step 5: Solve for x
x = 6,457,456,429.71/106,807.23 - Step 6: Final answer
x = 60,458.98
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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.