Finding the Fourth Proportional to 72,097.80, 108,157.05 and 22,182.09
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Solution
The fourth proportional to 72,097.80, 108,157.05 and 22,182.09 is: 33,276.32
Step by Step Solution
- Step 1: Write the proportion equation
72,097.80 : 108,157.05 = 22,182.09 : x - Step 2: Convert to fraction form
72,097.80/108,157.05 = 22,182.09/x - Step 3: Cross multiply
72,097.80x = 108,157.05 × 22,182.09 - Step 4: Simplify right side
72,097.80x = 2,399,149,417.23 - Step 5: Solve for x
x = 2,399,149,417.23/72,097.80 - Step 6: Final answer
x = 33,276.32
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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.