Finding the Fourth Proportional to 271,829.63, 375,102.93 and 157,115.70
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Solution
The fourth proportional to 271,829.63, 375,102.93 and 157,115.70 is: 216,806.97
Step by Step Solution
- Step 1: Write the proportion equation
271,829.63 : 375,102.93 = 157,115.70 : x - Step 2: Convert to fraction form
271,829.63/375,102.93 = 157,115.70/x - Step 3: Cross multiply
271,829.63x = 375,102.93 × 157,115.70 - Step 4: Simplify right side
271,829.63x = 58,934,559,419.00 - Step 5: Solve for x
x = 58,934,559,419.00/271,829.63 - Step 6: Final answer
x = 216,806.97
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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.