Finding the Fourth Proportional to 135,490.56, 203,203.04 and 56,561.92
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Solution
The fourth proportional to 135,490.56, 203,203.04 and 56,561.92 is: 84,829.19
Step by Step Solution
- Step 1: Write the proportion equation
135,490.56 : 203,203.04 = 56,561.92 : x - Step 2: Convert to fraction form
135,490.56/203,203.04 = 56,561.92/x - Step 3: Cross multiply
135,490.56x = 203,203.04 × 56,561.92 - Step 4: Simplify right side
135,490.56x = 11,493,554,092.24 - Step 5: Solve for x
x = 11,493,554,092.24/135,490.56 - Step 6: Final answer
x = 84,829.19
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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.