Finding the Fourth Proportional to 478,639.92, 718,045.26 and 158,810.98
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Solution
The fourth proportional to 478,639.92, 718,045.26 and 158,810.98 is: 238,244.80
Step by Step Solution
- Step 1: Write the proportion equation
478,639.92 : 718,045.26 = 158,810.98 : x - Step 2: Convert to fraction form
478,639.92/718,045.26 = 158,810.98/x - Step 3: Cross multiply
478,639.92x = 718,045.26 × 158,810.98 - Step 4: Simplify right side
478,639.92x = 114,033,470,167.22 - Step 5: Solve for x
x = 114,033,470,167.22/478,639.92 - Step 6: Final answer
x = 238,244.80
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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.