Finding the Fourth Proportional to 86,257.10, 129,384.48 and 22,214.88
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Solution
The fourth proportional to 86,257.10, 129,384.48 and 22,214.88 is: 33,322.02
Step by Step Solution
- Step 1: Write the proportion equation
86,257.10 : 129,384.48 = 22,214.88 : x - Step 2: Convert to fraction form
86,257.10/129,384.48 = 22,214.88/x - Step 3: Cross multiply
86,257.10x = 129,384.48 × 22,214.88 - Step 4: Simplify right side
86,257.10x = 2,874,260,697.06 - Step 5: Solve for x
x = 2,874,260,697.06/86,257.10 - Step 6: Final answer
x = 33,322.02
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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.