Finding the Fourth Proportional to 232,914.68, 321,433.66 and 130,972.23
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Solution
The fourth proportional to 232,914.68, 321,433.66 and 130,972.23 is: 180,748.09
Step by Step Solution
- Step 1: Write the proportion equation
232,914.68 : 321,433.66 = 130,972.23 : x - Step 2: Convert to fraction form
232,914.68/321,433.66 = 130,972.23/x - Step 3: Cross multiply
232,914.68x = 321,433.66 × 130,972.23 - Step 4: Simplify right side
232,914.68x = 42,098,882,592.40 - Step 5: Solve for x
x = 42,098,882,592.40/232,914.68 - Step 6: Final answer
x = 180,748.09
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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.