Finding the Fourth Proportional to 201,271.02, 277,780.28 and 129,858.78
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Solution
The fourth proportional to 201,271.02, 277,780.28 and 129,858.78 is: 179,222.07
Step by Step Solution
- Step 1: Write the proportion equation
201,271.02 : 277,780.28 = 129,858.78 : x - Step 2: Convert to fraction form
201,271.02/277,780.28 = 129,858.78/x - Step 3: Cross multiply
201,271.02x = 277,780.28 × 129,858.78 - Step 4: Simplify right side
201,271.02x = 36,072,208,268.86 - Step 5: Solve for x
x = 36,072,208,268.86/201,271.02 - Step 6: Final answer
x = 179,222.07
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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.