Finding the Fourth Proportional to 405,113.05, 559,027.27 and 223,823.05
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Solution
The fourth proportional to 405,113.05, 559,027.27 and 223,823.05 is: 308,859.93
Step by Step Solution
- Step 1: Write the proportion equation
405,113.05 : 559,027.27 = 223,823.05 : x - Step 2: Convert to fraction form
405,113.05/559,027.27 = 223,823.05/x - Step 3: Cross multiply
405,113.05x = 559,027.27 × 223,823.05 - Step 4: Simplify right side
405,113.05x = 125,123,187,486.78 - Step 5: Solve for x
x = 125,123,187,486.78/405,113.05 - Step 6: Final answer
x = 308,859.93
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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.