Finding the Fourth Proportional to 134,515.34, 201,725.91 and 39,720.26
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Solution
The fourth proportional to 134,515.34, 201,725.91 and 39,720.26 is: 59,566.48
Step by Step Solution
- Step 1: Write the proportion equation
134,515.34 : 201,725.91 = 39,720.26 : x - Step 2: Convert to fraction form
134,515.34/201,725.91 = 39,720.26/x - Step 3: Cross multiply
134,515.34x = 201,725.91 × 39,720.26 - Step 4: Simplify right side
134,515.34x = 8,012,605,593.94 - Step 5: Solve for x
x = 8,012,605,593.94/134,515.34 - Step 6: Final answer
x = 59,566.48
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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.