Finding the Fourth Proportional to 175,968.47, 242,772.84 and 115,571.84
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Solution
The fourth proportional to 175,968.47, 242,772.84 and 115,571.84 is: 159,447.33
Step by Step Solution
- Step 1: Write the proportion equation
175,968.47 : 242,772.84 = 115,571.84 : x - Step 2: Convert to fraction form
175,968.47/242,772.84 = 115,571.84/x - Step 3: Cross multiply
175,968.47x = 242,772.84 × 115,571.84 - Step 4: Simplify right side
175,968.47x = 28,057,702,606.96 - Step 5: Solve for x
x = 28,057,702,606.96/175,968.47 - Step 6: Final answer
x = 159,447.33
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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.