Finding the Fourth Proportional to 135,305.31, 202,934.21 and 41,811.87
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Solution
The fourth proportional to 135,305.31, 202,934.21 and 41,811.87 is: 62,710.46
Step by Step Solution
- Step 1: Write the proportion equation
135,305.31 : 202,934.21 = 41,811.87 : x - Step 2: Convert to fraction form
135,305.31/202,934.21 = 41,811.87/x - Step 3: Cross multiply
135,305.31x = 202,934.21 × 41,811.87 - Step 4: Simplify right side
135,305.31x = 8,485,058,598.01 - Step 5: Solve for x
x = 8,485,058,598.01/135,305.31 - Step 6: Final answer
x = 62,710.46
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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.