Finding the Fourth Proportional to 228,802.56, 315,714.39 and 126,827.99
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Solution
The fourth proportional to 228,802.56, 315,714.39 and 126,827.99 is: 175,004.25
Step by Step Solution
- Step 1: Write the proportion equation
228,802.56 : 315,714.39 = 126,827.99 : x - Step 2: Convert to fraction form
228,802.56/315,714.39 = 126,827.99/x - Step 3: Cross multiply
228,802.56x = 315,714.39 × 126,827.99 - Step 4: Simplify right side
228,802.56x = 40,041,420,863.64 - Step 5: Solve for x
x = 40,041,420,863.64/228,802.56 - Step 6: Final answer
x = 175,004.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.