Finding the Fourth Proportional to 232,914.18, 321,432.97 and 130,971.73
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Solution
The fourth proportional to 232,914.18, 321,432.97 and 130,971.73 is: 180,747.40
Step by Step Solution
- Step 1: Write the proportion equation
232,914.18 : 321,432.97 = 130,971.73 : x - Step 2: Convert to fraction form
232,914.18/321,432.97 = 130,971.73/x - Step 3: Cross multiply
232,914.18x = 321,432.97 × 130,971.73 - Step 4: Simplify right side
232,914.18x = 42,098,631,505.08 - Step 5: Solve for x
x = 42,098,631,505.08/232,914.18 - Step 6: Final answer
x = 180,747.40
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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.