Finding the Fourth Proportional to 149,709.90, 224,236.80 and 133,088.70
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Solution
The fourth proportional to 149,709.90, 224,236.80 and 133,088.70 is: 199,341.42
Step by Step Solution
- Step 1: Write the proportion equation
149,709.90 : 224,236.80 = 133,088.70 : x - Step 2: Convert to fraction form
149,709.90/224,236.80 = 133,088.70/x - Step 3: Cross multiply
149,709.90x = 224,236.80 × 133,088.70 - Step 4: Simplify right side
149,709.90x = 29,843,384,204.16 - Step 5: Solve for x
x = 29,843,384,204.16/149,709.90 - Step 6: Final answer
x = 199,341.42
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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.