Finding the Fourth Proportional to 225,828.74, 311,643.66 and 125,226.74
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Solution
The fourth proportional to 225,828.74, 311,643.66 and 125,226.74 is: 172,812.90
Step by Step Solution
- Step 1: Write the proportion equation
225,828.74 : 311,643.66 = 125,226.74 : x - Step 2: Convert to fraction form
225,828.74/311,643.66 = 125,226.74/x - Step 3: Cross multiply
225,828.74x = 311,643.66 × 125,226.74 - Step 4: Simplify right side
225,828.74x = 39,026,119,583.47 - Step 5: Solve for x
x = 39,026,119,583.47/225,828.74 - Step 6: Final answer
x = 172,812.90
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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.