Finding the Fourth Proportional to 134,329.80, 201,487.43 and 40,828.26
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Solution
The fourth proportional to 134,329.80, 201,487.43 and 40,828.26 is: 61,240.18
Step by Step Solution
- Step 1: Write the proportion equation
134,329.80 : 201,487.43 = 40,828.26 : x - Step 2: Convert to fraction form
134,329.80/201,487.43 = 40,828.26/x - Step 3: Cross multiply
134,329.80x = 201,487.43 × 40,828.26 - Step 4: Simplify right side
134,329.80x = 8,226,380,974.63 - Step 5: Solve for x
x = 8,226,380,974.63/134,329.80 - Step 6: Final answer
x = 61,240.18
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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.