Finding the Fourth Proportional to 189,095.80, 283,643.70 and 135,951.70
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Solution
The fourth proportional to 189,095.80, 283,643.70 and 135,951.70 is: 203,927.55
Step by Step Solution
- Step 1: Write the proportion equation
189,095.80 : 283,643.70 = 135,951.70 : x - Step 2: Convert to fraction form
189,095.80/283,643.70 = 135,951.70/x - Step 3: Cross multiply
189,095.80x = 283,643.70 × 135,951.70 - Step 4: Simplify right side
189,095.80x = 38,561,843,209.29 - Step 5: Solve for x
x = 38,561,843,209.29/189,095.80 - Step 6: Final answer
x = 203,927.55
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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.