Finding the Fourth Proportional to 408,451.23, 563,678.24 and 227,176.26
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Solution
The fourth proportional to 408,451.23, 563,678.24 and 227,176.26 is: 313,511.88
Step by Step Solution
- Step 1: Write the proportion equation
408,451.23 : 563,678.24 = 227,176.26 : x - Step 2: Convert to fraction form
408,451.23/563,678.24 = 227,176.26/x - Step 3: Cross multiply
408,451.23x = 563,678.24 × 227,176.26 - Step 4: Simplify right side
408,451.23x = 128,054,314,406.58 - Step 5: Solve for x
x = 128,054,314,406.58/408,451.23 - Step 6: Final answer
x = 313,511.88
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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.