Finding the Fourth Proportional to 228,366.23, 315,138.87 and 126,395.87
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Solution
The fourth proportional to 228,366.23, 315,138.87 and 126,395.87 is: 174,422.68
Step by Step Solution
- Step 1: Write the proportion equation
228,366.23 : 315,138.87 = 126,395.87 : x - Step 2: Convert to fraction form
228,366.23/315,138.87 = 126,395.87/x - Step 3: Cross multiply
228,366.23x = 315,138.87 × 126,395.87 - Step 4: Simplify right side
228,366.23x = 39,832,250,068.77 - Step 5: Solve for x
x = 39,832,250,068.77/228,366.23 - Step 6: Final answer
x = 174,422.68
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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.