Finding the Fourth Proportional to 228,702.75, 315,605.08 and 126,727.32
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Solution
The fourth proportional to 228,702.75, 315,605.08 and 126,727.32 is: 174,881.09
Step by Step Solution
- Step 1: Write the proportion equation
228,702.75 : 315,605.08 = 126,727.32 : x - Step 2: Convert to fraction form
228,702.75/315,605.08 = 126,727.32/x - Step 3: Cross multiply
228,702.75x = 315,605.08 × 126,727.32 - Step 4: Simplify right side
228,702.75x = 39,995,785,966.79 - Step 5: Solve for x
x = 39,995,785,966.79/228,702.75 - Step 6: Final answer
x = 174,881.09
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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.