Finding the Fourth Proportional to 252,490.68, 348,563.39 and 157,028.13
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Solution
The fourth proportional to 252,490.68, 348,563.39 and 157,028.13 is: 216,777.33
Step by Step Solution
- Step 1: Write the proportion equation
252,490.68 : 348,563.39 = 157,028.13 : x - Step 2: Convert to fraction form
252,490.68/348,563.39 = 157,028.13/x - Step 3: Cross multiply
252,490.68x = 348,563.39 × 157,028.13 - Step 4: Simplify right side
252,490.68x = 54,734,256,533.02 - Step 5: Solve for x
x = 54,734,256,533.02/252,490.68 - Step 6: Final answer
x = 216,777.33
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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.