Finding the Fourth Proportional to 201,059.84, 277,484.76 and 115,026.80
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Solution
The fourth proportional to 201,059.84, 277,484.76 and 115,026.80 is: 158,749.67
Step by Step Solution
- Step 1: Write the proportion equation
201,059.84 : 277,484.76 = 115,026.80 : x - Step 2: Convert to fraction form
201,059.84/277,484.76 = 115,026.80/x - Step 3: Cross multiply
201,059.84x = 277,484.76 × 115,026.80 - Step 4: Simplify right side
201,059.84x = 31,918,183,991.57 - Step 5: Solve for x
x = 31,918,183,991.57/201,059.84 - Step 6: Final answer
x = 158,749.67
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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.