Finding the Fourth Proportional to 279,508.86, 385,776.84 and 177,652.98
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Solution
The fourth proportional to 279,508.86, 385,776.84 and 177,652.98 is: 245,195.82
Step by Step Solution
- Step 1: Write the proportion equation
279,508.86 : 385,776.84 = 177,652.98 : x - Step 2: Convert to fraction form
279,508.86/385,776.84 = 177,652.98/x - Step 3: Cross multiply
279,508.86x = 385,776.84 × 177,652.98 - Step 4: Simplify right side
279,508.86x = 68,534,405,240.98 - Step 5: Solve for x
x = 68,534,405,240.98/279,508.86 - Step 6: Final answer
x = 245,195.82
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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.