Finding the Fourth Proportional to 408,350.64, 612,477.36 and 108,853.68
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Solution
The fourth proportional to 408,350.64, 612,477.36 and 108,853.68 is: 163,267.56
Step by Step Solution
- Step 1: Write the proportion equation
408,350.64 : 612,477.36 = 108,853.68 : x - Step 2: Convert to fraction form
408,350.64/612,477.36 = 108,853.68/x - Step 3: Cross multiply
408,350.64x = 612,477.36 × 108,853.68 - Step 4: Simplify right side
408,350.64x = 66,670,414,552.68 - Step 5: Solve for x
x = 66,670,414,552.68/408,350.64 - Step 6: Final answer
x = 163,267.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.