Finding the Fourth Proportional to 72,331.19, 108,507.05 and 22,415.21
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Solution
The fourth proportional to 72,331.19, 108,507.05 and 22,415.21 is: 33,625.99
Step by Step Solution
- Step 1: Write the proportion equation
72,331.19 : 108,507.05 = 22,415.21 : x - Step 2: Convert to fraction form
72,331.19/108,507.05 = 22,415.21/x - Step 3: Cross multiply
72,331.19x = 108,507.05 × 22,415.21 - Step 4: Simplify right side
72,331.19x = 2,432,207,657.62 - Step 5: Solve for x
x = 2,432,207,657.62/72,331.19 - Step 6: Final answer
x = 33,625.99
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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.