Finding the Fourth Proportional to 511,011.21, 705,039.36 and 296,109.75
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Solution
The fourth proportional to 511,011.21, 705,039.36 and 296,109.75 is: 408,541.00
Step by Step Solution
- Step 1: Write the proportion equation
511,011.21 : 705,039.36 = 296,109.75 : x - Step 2: Convert to fraction form
511,011.21/705,039.36 = 296,109.75/x - Step 3: Cross multiply
511,011.21x = 705,039.36 × 296,109.75 - Step 4: Simplify right side
511,011.21x = 208,769,028,629.76 - Step 5: Solve for x
x = 208,769,028,629.76/511,011.21 - Step 6: Final answer
x = 408,541.00
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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.