Finding the Fourth Proportional to 121,664.24, 182,496.78 and 37,423.84
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Solution
The fourth proportional to 121,664.24, 182,496.78 and 37,423.84 is: 56,135.89
Step by Step Solution
- Step 1: Write the proportion equation
121,664.24 : 182,496.78 = 37,423.84 : x - Step 2: Convert to fraction form
121,664.24/182,496.78 = 37,423.84/x - Step 3: Cross multiply
121,664.24x = 182,496.78 × 37,423.84 - Step 4: Simplify right side
121,664.24x = 6,829,730,295.24 - Step 5: Solve for x
x = 6,829,730,295.24/121,664.24 - Step 6: Final answer
x = 56,135.89
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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.