Finding the Fourth Proportional to 81,510.94, 122,267.27 and 22,346.62
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Solution
The fourth proportional to 81,510.94, 122,267.27 and 22,346.62 is: 33,520.17
Step by Step Solution
- Step 1: Write the proportion equation
81,510.94 : 122,267.27 = 22,346.62 : x - Step 2: Convert to fraction form
81,510.94/122,267.27 = 22,346.62/x - Step 3: Cross multiply
81,510.94x = 122,267.27 × 22,346.62 - Step 4: Simplify right side
81,510.94x = 2,732,260,221.13 - Step 5: Solve for x
x = 2,732,260,221.13/81,510.94 - Step 6: Final answer
x = 33,520.17
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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.