Finding the Fourth Proportional to 135,898.02, 203,639.13 and 56,969.19
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Solution
The fourth proportional to 135,898.02, 203,639.13 and 56,969.19 is: 85,366.63
Step by Step Solution
- Step 1: Write the proportion equation
135,898.02 : 203,639.13 = 56,969.19 : x - Step 2: Convert to fraction form
135,898.02/203,639.13 = 56,969.19/x - Step 3: Cross multiply
135,898.02x = 203,639.13 × 56,969.19 - Step 4: Simplify right side
135,898.02x = 11,601,156,288.40 - Step 5: Solve for x
x = 11,601,156,288.40/135,898.02 - Step 6: Final answer
x = 85,366.63
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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.