Finding the Fourth Proportional to 578,569.13, 867,910.79 and 199,439.96
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Solution
The fourth proportional to 578,569.13, 867,910.79 and 199,439.96 is: 299,179.62
Step by Step Solution
- Step 1: Write the proportion equation
578,569.13 : 867,910.79 = 199,439.96 : x - Step 2: Convert to fraction form
578,569.13/867,910.79 = 199,439.96/x - Step 3: Cross multiply
578,569.13x = 867,910.79 × 199,439.96 - Step 4: Simplify right side
578,569.13x = 173,096,089,400.21 - Step 5: Solve for x
x = 173,096,089,400.21/578,569.13 - Step 6: Final answer
x = 299,179.62
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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.