Finding the Fourth Proportional to 220,660.92, 304,574.58 and 130,069.44
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Solution
The fourth proportional to 220,660.92, 304,574.58 and 130,069.44 is: 179,532.67
Step by Step Solution
- Step 1: Write the proportion equation
220,660.92 : 304,574.58 = 130,069.44 : x - Step 2: Convert to fraction form
220,660.92/304,574.58 = 130,069.44/x - Step 3: Cross multiply
220,660.92x = 304,574.58 × 130,069.44 - Step 4: Simplify right side
220,660.92x = 39,615,845,058.84 - Step 5: Solve for x
x = 39,615,845,058.84/220,660.92 - Step 6: Final answer
x = 179,532.67
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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.