Finding the Fourth Proportional to 144,810.24, 216,919.74 and 74,541.96
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Solution
The fourth proportional to 144,810.24, 216,919.74 and 74,541.96 is: 111,660.77
Step by Step Solution
- Step 1: Write the proportion equation
144,810.24 : 216,919.74 = 74,541.96 : x - Step 2: Convert to fraction form
144,810.24/216,919.74 = 74,541.96/x - Step 3: Cross multiply
144,810.24x = 216,919.74 × 74,541.96 - Step 4: Simplify right side
144,810.24x = 16,169,622,582.29 - Step 5: Solve for x
x = 16,169,622,582.29/144,810.24 - Step 6: Final answer
x = 111,660.77
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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.