Finding the Fourth Proportional to 134,893.99, 202,340.85 and 40,123.78
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Solution
The fourth proportional to 134,893.99, 202,340.85 and 40,123.78 is: 60,185.63
Step by Step Solution
- Step 1: Write the proportion equation
134,893.99 : 202,340.85 = 40,123.78 : x - Step 2: Convert to fraction form
134,893.99/202,340.85 = 40,123.78/x - Step 3: Cross multiply
134,893.99x = 202,340.85 × 40,123.78 - Step 4: Simplify right side
134,893.99x = 8,118,679,750.41 - Step 5: Solve for x
x = 8,118,679,750.41/134,893.99 - Step 6: Final answer
x = 60,185.63
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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.