Finding the Fourth Proportional to 243,920.88, 365,936.90 and 131,598.99
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Solution
The fourth proportional to 243,920.88, 365,936.90 and 131,598.99 is: 197,428.47
Step by Step Solution
- Step 1: Write the proportion equation
243,920.88 : 365,936.90 = 131,598.99 : x - Step 2: Convert to fraction form
243,920.88/365,936.90 = 131,598.99/x - Step 3: Cross multiply
243,920.88x = 365,936.90 × 131,598.99 - Step 4: Simplify right side
243,920.88x = 48,156,925,785.74 - Step 5: Solve for x
x = 48,156,925,785.74/243,920.88 - Step 6: Final answer
x = 197,428.47
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1.5x scale
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.