Finding the Fourth Proportional to 134,220.13, 201,331.40 and 40,725.88
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Solution
The fourth proportional to 134,220.13, 201,331.40 and 40,725.88 is: 61,089.19
Step by Step Solution
- Step 1: Write the proportion equation
134,220.13 : 201,331.40 = 40,725.88 : x - Step 2: Convert to fraction form
134,220.13/201,331.40 = 40,725.88/x - Step 3: Cross multiply
134,220.13x = 201,331.40 × 40,725.88 - Step 4: Simplify right side
134,220.13x = 8,199,398,436.63 - Step 5: Solve for x
x = 8,199,398,436.63/134,220.13 - Step 6: Final answer
x = 61,089.19
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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.