Finding the Fourth Proportional to 140,816.25, 194,326.47 and 84,240.99
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Solution
The fourth proportional to 140,816.25, 194,326.47 and 84,240.99 is: 116,252.59
Step by Step Solution
- Step 1: Write the proportion equation
140,816.25 : 194,326.47 = 84,240.99 : x - Step 2: Convert to fraction form
140,816.25/194,326.47 = 84,240.99/x - Step 3: Cross multiply
140,816.25x = 194,326.47 × 84,240.99 - Step 4: Simplify right side
140,816.25x = 16,370,254,216.01 - Step 5: Solve for x
x = 16,370,254,216.01/140,816.25 - Step 6: Final answer
x = 116,252.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.