Finding the Fourth Proportional to 475,703.24, 656,814.87 and 306,232.58
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Solution
The fourth proportional to 475,703.24, 656,814.87 and 306,232.58 is: 422,822.67
Step by Step Solution
- Step 1: Write the proportion equation
475,703.24 : 656,814.87 = 306,232.58 : x - Step 2: Convert to fraction form
475,703.24/656,814.87 = 306,232.58/x - Step 3: Cross multiply
475,703.24x = 656,814.87 × 306,232.58 - Step 4: Simplify right side
475,703.24x = 201,138,112,222.47 - Step 5: Solve for x
x = 201,138,112,222.47/475,703.24 - Step 6: Final answer
x = 422,822.67
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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.