Finding the Fourth Proportional to 191,104.12, 286,557.88 and 85,832.76
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Solution
The fourth proportional to 191,104.12, 286,557.88 and 85,832.76 is: 128,704.99
Step by Step Solution
- Step 1: Write the proportion equation
191,104.12 : 286,557.88 = 85,832.76 : x - Step 2: Convert to fraction form
191,104.12/286,557.88 = 85,832.76/x - Step 3: Cross multiply
191,104.12x = 286,557.88 × 85,832.76 - Step 4: Simplify right side
191,104.12x = 24,596,053,740.15 - Step 5: Solve for x
x = 24,596,053,740.15/191,104.12 - Step 6: Final answer
x = 128,704.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.