Finding the Fourth Proportional to 228,133.24, 314,814.84 and 126,152.08
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Solution
The fourth proportional to 228,133.24, 314,814.84 and 126,152.08 is: 174,084.88
Step by Step Solution
- Step 1: Write the proportion equation
228,133.24 : 314,814.84 = 126,152.08 : x - Step 2: Convert to fraction form
228,133.24/314,814.84 = 126,152.08/x - Step 3: Cross multiply
228,133.24x = 314,814.84 × 126,152.08 - Step 4: Simplify right side
228,133.24x = 39,714,546,880.87 - Step 5: Solve for x
x = 39,714,546,880.87/228,133.24 - Step 6: Final answer
x = 174,084.88
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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.