Finding the Fourth Proportional to 408,992.71, 564,369.73 and 239,193.67
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Solution
The fourth proportional to 408,992.71, 564,369.73 and 239,193.67 is: 330,063.75
Step by Step Solution
- Step 1: Write the proportion equation
408,992.71 : 564,369.73 = 239,193.67 : x - Step 2: Convert to fraction form
408,992.71/564,369.73 = 239,193.67/x - Step 3: Cross multiply
408,992.71x = 564,369.73 × 239,193.67 - Step 4: Simplify right side
408,992.71x = 134,993,666,955.61 - Step 5: Solve for x
x = 134,993,666,955.61/408,992.71 - Step 6: Final answer
x = 330,063.75
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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.