Finding the Fourth Proportional to 135,245.21, 202,886.28 and 56,340.98
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Solution
The fourth proportional to 135,245.21, 202,886.28 and 56,340.98 is: 84,519.17
Step by Step Solution
- Step 1: Write the proportion equation
135,245.21 : 202,886.28 = 56,340.98 : x - Step 2: Convert to fraction form
135,245.21/202,886.28 = 56,340.98/x - Step 3: Cross multiply
135,245.21x = 202,886.28 × 56,340.98 - Step 4: Simplify right side
135,245.21x = 11,430,812,572.92 - Step 5: Solve for x
x = 11,430,812,572.92/135,245.21 - Step 6: Final answer
x = 84,519.17
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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.