Finding the Fourth Proportional to 348,356.68, 522,767.58 and 126,740.68
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Solution
The fourth proportional to 348,356.68, 522,767.58 and 126,740.68 is: 190,195.63
Step by Step Solution
- Step 1: Write the proportion equation
348,356.68 : 522,767.58 = 126,740.68 : x - Step 2: Convert to fraction form
348,356.68/522,767.58 = 126,740.68/x - Step 3: Cross multiply
348,356.68x = 522,767.58 × 126,740.68 - Step 4: Simplify right side
348,356.68x = 66,255,918,571.15 - Step 5: Solve for x
x = 66,255,918,571.15/348,356.68 - Step 6: Final answer
x = 190,195.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.