Finding the Fourth Proportional to 121,762.68, 182,644.50 and 37,522.20
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Solution
The fourth proportional to 121,762.68, 182,644.50 and 37,522.20 is: 56,283.45
Step by Step Solution
- Step 1: Write the proportion equation
121,762.68 : 182,644.50 = 37,522.20 : x - Step 2: Convert to fraction form
121,762.68/182,644.50 = 37,522.20/x - Step 3: Cross multiply
121,762.68x = 182,644.50 × 37,522.20 - Step 4: Simplify right side
121,762.68x = 6,853,223,457.90 - Step 5: Solve for x
x = 6,853,223,457.90/121,762.68 - Step 6: Final answer
x = 56,283.45
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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.