Finding the Fourth Proportional to 165,218.28, 227,981.76 and 97,220.28
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Solution
The fourth proportional to 165,218.28, 227,981.76 and 97,220.28 is: 134,152.53
Step by Step Solution
- Step 1: Write the proportion equation
165,218.28 : 227,981.76 = 97,220.28 : x - Step 2: Convert to fraction form
165,218.28/227,981.76 = 97,220.28/x - Step 3: Cross multiply
165,218.28x = 227,981.76 × 97,220.28 - Step 4: Simplify right side
165,218.28x = 22,164,450,542.09 - Step 5: Solve for x
x = 22,164,450,542.09/165,218.28 - Step 6: Final answer
x = 134,152.53
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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.