Finding the Fourth Proportional to 225,160.02, 310,758.93 and 129,649.14
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Solution
The fourth proportional to 225,160.02, 310,758.93 and 129,649.14 is: 178,937.75
Step by Step Solution
- Step 1: Write the proportion equation
225,160.02 : 310,758.93 = 129,649.14 : x - Step 2: Convert to fraction form
225,160.02/310,758.93 = 129,649.14/x - Step 3: Cross multiply
225,160.02x = 310,758.93 × 129,649.14 - Step 4: Simplify right side
225,160.02x = 40,289,628,021.82 - Step 5: Solve for x
x = 40,289,628,021.82/225,160.02 - Step 6: Final answer
x = 178,937.75
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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.