Finding the Fourth Proportional to 225,907.68, 311,752.76 and 125,305.68
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Solution
The fourth proportional to 225,907.68, 311,752.76 and 125,305.68 is: 172,921.93
Step by Step Solution
- Step 1: Write the proportion equation
225,907.68 : 311,752.76 = 125,305.68 : x - Step 2: Convert to fraction form
225,907.68/311,752.76 = 125,305.68/x - Step 3: Cross multiply
225,907.68x = 311,752.76 × 125,305.68 - Step 4: Simplify right side
225,907.68x = 39,064,391,583.68 - Step 5: Solve for x
x = 39,064,391,583.68/225,907.68 - Step 6: Final answer
x = 172,921.93
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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.