Finding the Fourth Proportional to 203,925.95, 281,462.79 and 113,313.05
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Solution
The fourth proportional to 203,925.95, 281,462.79 and 113,313.05 is: 156,397.00
Step by Step Solution
- Step 1: Write the proportion equation
203,925.95 : 281,462.79 = 113,313.05 : x - Step 2: Convert to fraction form
203,925.95/281,462.79 = 113,313.05/x - Step 3: Cross multiply
203,925.95x = 281,462.79 × 113,313.05 - Step 4: Simplify right side
203,925.95x = 31,893,407,196.41 - Step 5: Solve for x
x = 31,893,407,196.41/203,925.95 - Step 6: Final answer
x = 156,397.00
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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.