Finding the Fourth Proportional to 393,633.41, 543,288.29 and 246,526.47
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Solution
The fourth proportional to 393,633.41, 543,288.29 and 246,526.47 is: 340,252.99
Step by Step Solution
- Step 1: Write the proportion equation
393,633.41 : 543,288.29 = 246,526.47 : x - Step 2: Convert to fraction form
393,633.41/543,288.29 = 246,526.47/x - Step 3: Cross multiply
393,633.41x = 543,288.29 × 246,526.47 - Step 4: Simplify right side
393,633.41x = 133,934,943,093.40 - Step 5: Solve for x
x = 133,934,943,093.40/393,633.41 - Step 6: Final answer
x = 340,252.99
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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.