Finding the Fourth Proportional to 534,906.10, 802,395.60 and 170,138.80
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Solution
The fourth proportional to 534,906.10, 802,395.60 and 170,138.80 is: 255,219.79
Step by Step Solution
- Step 1: Write the proportion equation
534,906.10 : 802,395.60 = 170,138.80 : x - Step 2: Convert to fraction form
534,906.10/802,395.60 = 170,138.80/x - Step 3: Cross multiply
534,906.10x = 802,395.60 × 170,138.80 - Step 4: Simplify right side
534,906.10x = 136,518,624,509.28 - Step 5: Solve for x
x = 136,518,624,509.28/534,906.10 - Step 6: Final answer
x = 255,219.79
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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.