Finding the Fourth Proportional to 408,944.94, 564,816.36 and 272,742.24
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Solution
The fourth proportional to 408,944.94, 564,816.36 and 272,742.24 is: 376,699.32
Step by Step Solution
- Step 1: Write the proportion equation
408,944.94 : 564,816.36 = 272,742.24 : x - Step 2: Convert to fraction form
408,944.94/564,816.36 = 272,742.24/x - Step 3: Cross multiply
408,944.94x = 564,816.36 × 272,742.24 - Step 4: Simplify right side
408,944.94x = 154,049,279,215.05 - Step 5: Solve for x
x = 154,049,279,215.05/408,944.94 - Step 6: Final answer
x = 376,699.32
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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.