Finding the Fourth Proportional to 554,612.70, 831,919.05 and 180,635.70
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Solution
The fourth proportional to 554,612.70, 831,919.05 and 180,635.70 is: 270,953.55
Step by Step Solution
- Step 1: Write the proportion equation
554,612.70 : 831,919.05 = 180,635.70 : x - Step 2: Convert to fraction form
554,612.70/831,919.05 = 180,635.70/x - Step 3: Cross multiply
554,612.70x = 831,919.05 × 180,635.70 - Step 4: Simplify right side
554,612.70x = 150,274,279,940.09 - Step 5: Solve for x
x = 150,274,279,940.09/554,612.70 - Step 6: Final answer
x = 270,953.55
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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.