Finding the Fourth Proportional to 399,235.84, 599,083.49 and 221,727.98
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Solution
The fourth proportional to 399,235.84, 599,083.49 and 221,727.98 is: 332,719.56
Step by Step Solution
- Step 1: Write the proportion equation
399,235.84 : 599,083.49 = 221,727.98 : x - Step 2: Convert to fraction form
399,235.84/599,083.49 = 221,727.98/x - Step 3: Cross multiply
399,235.84x = 599,083.49 × 221,727.98 - Step 4: Simplify right side
399,235.84x = 132,833,574,141.08 - Step 5: Solve for x
x = 132,833,574,141.08/399,235.84 - Step 6: Final answer
x = 332,719.56
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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.