Finding the Fourth Proportional to 369,490.68, 509,896.76 and 199,724.81
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Solution
The fourth proportional to 369,490.68, 509,896.76 and 199,724.81 is: 275,620.02
Step by Step Solution
- Step 1: Write the proportion equation
369,490.68 : 509,896.76 = 199,724.81 : x - Step 2: Convert to fraction form
369,490.68/509,896.76 = 199,724.81/x - Step 3: Cross multiply
369,490.68x = 509,896.76 × 199,724.81 - Step 4: Simplify right side
369,490.68x = 101,839,029,962.51 - Step 5: Solve for x
x = 101,839,029,962.51/369,490.68 - Step 6: Final answer
x = 275,620.02
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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.