Finding the Fourth Proportional to 408,317.52, 563,467.68 and 227,020.08
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Solution
The fourth proportional to 408,317.52, 563,467.68 and 227,020.08 is: 313,281.87
Step by Step Solution
- Step 1: Write the proportion equation
408,317.52 : 563,467.68 = 227,020.08 : x - Step 2: Convert to fraction form
408,317.52/563,467.68 = 227,020.08/x - Step 3: Cross multiply
408,317.52x = 563,467.68 × 227,020.08 - Step 4: Simplify right side
408,317.52x = 127,918,477,791.01 - Step 5: Solve for x
x = 127,918,477,791.01/408,317.52 - Step 6: Final answer
x = 313,281.87
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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.