Finding the Fourth Proportional to 396,199.48, 546,852.84 and 243,274.31
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Solution
The fourth proportional to 396,199.48, 546,852.84 and 243,274.31 is: 335,778.45
Step by Step Solution
- Step 1: Write the proportion equation
396,199.48 : 546,852.84 = 243,274.31 : x - Step 2: Convert to fraction form
396,199.48/546,852.84 = 243,274.31/x - Step 3: Cross multiply
396,199.48x = 546,852.84 × 243,274.31 - Step 4: Simplify right side
396,199.48x = 133,035,247,322.54 - Step 5: Solve for x
x = 133,035,247,322.54/396,199.48 - Step 6: Final answer
x = 335,778.45
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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.