Finding the Fourth Proportional to 262,415.68, 393,524.69 and 84,875.02
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Solution
The fourth proportional to 262,415.68, 393,524.69 and 84,875.02 is: 127,280.56
Step by Step Solution
- Step 1: Write the proportion equation
262,415.68 : 393,524.69 = 84,875.02 : x - Step 2: Convert to fraction form
262,415.68/393,524.69 = 84,875.02/x - Step 3: Cross multiply
262,415.68x = 393,524.69 × 84,875.02 - Step 4: Simplify right side
262,415.68x = 33,400,415,934.24 - Step 5: Solve for x
x = 33,400,415,934.24/262,415.68 - Step 6: Final answer
x = 127,280.56
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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.