Finding the Fourth Proportional to 203,124.06, 280,310.49 and 113,700.06
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Solution
The fourth proportional to 203,124.06, 280,310.49 and 113,700.06 is: 156,905.68
Step by Step Solution
- Step 1: Write the proportion equation
203,124.06 : 280,310.49 = 113,700.06 : x - Step 2: Convert to fraction form
203,124.06/280,310.49 = 113,700.06/x - Step 3: Cross multiply
203,124.06x = 280,310.49 × 113,700.06 - Step 4: Simplify right side
203,124.06x = 31,871,319,531.63 - Step 5: Solve for x
x = 31,871,319,531.63/203,124.06 - Step 6: Final answer
x = 156,905.68
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1.5x scale
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.