Finding the Fourth Proportional to 228,824.19, 342,997.99 and 76,908.48
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Solution
The fourth proportional to 228,824.19, 342,997.99 and 76,908.48 is: 115,282.63
Step by Step Solution
- Step 1: Write the proportion equation
228,824.19 : 342,997.99 = 76,908.48 : x - Step 2: Convert to fraction form
228,824.19/342,997.99 = 76,908.48/x - Step 3: Cross multiply
228,824.19x = 342,997.99 × 76,908.48 - Step 4: Simplify right side
228,824.19x = 26,379,453,669.41 - Step 5: Solve for x
x = 26,379,453,669.41/228,824.19 - Step 6: Final answer
x = 115,282.63
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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.