Finding the Fourth Proportional to 225,587.67, 311,310.99 and 134,947.46
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Solution
The fourth proportional to 225,587.67, 311,310.99 and 134,947.46 is: 186,227.49
Step by Step Solution
- Step 1: Write the proportion equation
225,587.67 : 311,310.99 = 134,947.46 : x - Step 2: Convert to fraction form
225,587.67/311,310.99 = 134,947.46/x - Step 3: Cross multiply
225,587.67x = 311,310.99 × 134,947.46 - Step 4: Simplify right side
225,587.67x = 42,010,626,018.20 - Step 5: Solve for x
x = 42,010,626,018.20/225,587.67 - Step 6: Final answer
x = 186,227.49
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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.