Finding the Fourth Proportional to 408,845.79, 564,201.44 and 227,557.77
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Solution
The fourth proportional to 408,845.79, 564,201.44 and 227,557.77 is: 314,026.52
Step by Step Solution
- Step 1: Write the proportion equation
408,845.79 : 564,201.44 = 227,557.77 : x - Step 2: Convert to fraction form
408,845.79/564,201.44 = 227,557.77/x - Step 3: Cross multiply
408,845.79x = 564,201.44 × 227,557.77 - Step 4: Simplify right side
408,845.79x = 128,388,421,517.19 - Step 5: Solve for x
x = 128,388,421,517.19/408,845.79 - Step 6: Final answer
x = 314,026.52
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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.