Finding the Fourth Proportional to 369,036.56, 509,268.11 and 207,943.49
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Solution
The fourth proportional to 369,036.56, 509,268.11 and 207,943.49 is: 286,960.69
Step by Step Solution
- Step 1: Write the proportion equation
369,036.56 : 509,268.11 = 207,943.49 : x - Step 2: Convert to fraction form
369,036.56/509,268.11 = 207,943.49/x - Step 3: Cross multiply
369,036.56x = 509,268.11 × 207,943.49 - Step 4: Simplify right side
369,036.56x = 105,898,984,553.05 - Step 5: Solve for x
x = 105,898,984,553.05/369,036.56 - Step 6: Final answer
x = 286,960.69
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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.