Finding the Fourth Proportional to 418,471.41, 577,553.58 and 255,222.62
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Solution
The fourth proportional to 418,471.41, 577,553.58 and 255,222.62 is: 352,245.66
Step by Step Solution
- Step 1: Write the proportion equation
418,471.41 : 577,553.58 = 255,222.62 : x - Step 2: Convert to fraction form
418,471.41/577,553.58 = 255,222.62/x - Step 3: Cross multiply
418,471.41x = 577,553.58 × 255,222.62 - Step 4: Simplify right side
418,471.41x = 147,404,736,434.10 - Step 5: Solve for x
x = 147,404,736,434.10/418,471.41 - Step 6: Final answer
x = 352,245.66
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1.5x scale
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.