Finding the Fourth Proportional to 305,464.58, 421,543.44 and 169,499.06
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Solution
The fourth proportional to 305,464.58, 421,543.44 and 169,499.06 is: 233,909.99
Step by Step Solution
- Step 1: Write the proportion equation
305,464.58 : 421,543.44 = 169,499.06 : x - Step 2: Convert to fraction form
305,464.58/421,543.44 = 169,499.06/x - Step 3: Cross multiply
305,464.58x = 421,543.44 × 169,499.06 - Step 4: Simplify right side
305,464.58x = 71,451,216,829.17 - Step 5: Solve for x
x = 71,451,216,829.17/305,464.58 - Step 6: Final answer
x = 233,909.99
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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.