Finding the Fourth Proportional to 374,207.28, 561,731.60 and 149,726.12
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Solution
The fourth proportional to 374,207.28, 561,731.60 and 149,726.12 is: 224,757.50
Step by Step Solution
- Step 1: Write the proportion equation
374,207.28 : 561,731.60 = 149,726.12 : x - Step 2: Convert to fraction form
374,207.28/561,731.60 = 149,726.12/x - Step 3: Cross multiply
374,207.28x = 561,731.60 × 149,726.12 - Step 4: Simplify right side
374,207.28x = 84,105,892,949.39 - Step 5: Solve for x
x = 84,105,892,949.39/374,207.28 - Step 6: Final answer
x = 224,757.50
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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.