Finding the Fourth Proportional to 408,885.99, 564,250.10 and 227,593.26
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Solution
The fourth proportional to 408,885.99, 564,250.10 and 227,593.26 is: 314,071.70
Step by Step Solution
- Step 1: Write the proportion equation
408,885.99 : 564,250.10 = 227,593.26 : x - Step 2: Convert to fraction form
408,885.99/564,250.10 = 227,593.26/x - Step 3: Cross multiply
408,885.99x = 564,250.10 × 227,593.26 - Step 4: Simplify right side
408,885.99x = 128,419,519,714.33 - Step 5: Solve for x
x = 128,419,519,714.33/408,885.99 - Step 6: Final answer
x = 314,071.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.