Finding the Fourth Proportional to 144,330.21, 216,439.95 and 49,542.73
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Solution
The fourth proportional to 144,330.21, 216,439.95 and 49,542.73 is: 74,295.09
Step by Step Solution
- Step 1: Write the proportion equation
144,330.21 : 216,439.95 = 49,542.73 : x - Step 2: Convert to fraction form
144,330.21/216,439.95 = 49,542.73/x - Step 3: Cross multiply
144,330.21x = 216,439.95 × 49,542.73 - Step 4: Simplify right side
144,330.21x = 10,723,026,004.06 - Step 5: Solve for x
x = 10,723,026,004.06/144,330.21 - Step 6: Final answer
x = 74,295.09
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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.