Finding the Fourth Proportional to 134,420.75, 201,643.68 and 39,651.02
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Solution
The fourth proportional to 134,420.75, 201,643.68 and 39,651.02 is: 59,480.23
Step by Step Solution
- Step 1: Write the proportion equation
134,420.75 : 201,643.68 = 39,651.02 : x - Step 2: Convert to fraction form
134,420.75/201,643.68 = 39,651.02/x - Step 3: Cross multiply
134,420.75x = 201,643.68 × 39,651.02 - Step 4: Simplify right side
134,420.75x = 7,995,377,588.55 - Step 5: Solve for x
x = 7,995,377,588.55/134,420.75 - Step 6: Final answer
x = 59,480.23
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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.