Finding the Fourth Proportional to 407,929.40, 611,721.05 and 194,450.34
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Solution
The fourth proportional to 407,929.40, 611,721.05 and 194,450.34 is: 291,593.02
Step by Step Solution
- Step 1: Write the proportion equation
407,929.40 : 611,721.05 = 194,450.34 : x - Step 2: Convert to fraction form
407,929.40/611,721.05 = 194,450.34/x - Step 3: Cross multiply
407,929.40x = 611,721.05 × 194,450.34 - Step 4: Simplify right side
407,929.40x = 118,949,365,185.41 - Step 5: Solve for x
x = 118,949,365,185.41/407,929.40 - Step 6: Final answer
x = 291,593.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.