Finding the Fourth Proportional to 408,003.79, 563,037.76 and 226,712.42
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Solution
The fourth proportional to 408,003.79, 563,037.76 and 226,712.42 is: 312,858.99
Step by Step Solution
- Step 1: Write the proportion equation
408,003.79 : 563,037.76 = 226,712.42 : x - Step 2: Convert to fraction form
408,003.79/563,037.76 = 226,712.42/x - Step 3: Cross multiply
408,003.79x = 563,037.76 × 226,712.42 - Step 4: Simplify right side
408,003.79x = 127,647,653,120.98 - Step 5: Solve for x
x = 127,647,653,120.98/408,003.79 - Step 6: Final answer
x = 312,858.99
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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.