Finding the Fourth Proportional to 86,188.18, 129,282.28 and 27,029.02
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Solution
The fourth proportional to 86,188.18, 129,282.28 and 27,029.02 is: 40,543.53
Step by Step Solution
- Step 1: Write the proportion equation
86,188.18 : 129,282.28 = 27,029.02 : x - Step 2: Convert to fraction form
86,188.18/129,282.28 = 27,029.02/x - Step 3: Cross multiply
86,188.18x = 129,282.28 × 27,029.02 - Step 4: Simplify right side
86,188.18x = 3,494,373,331.77 - Step 5: Solve for x
x = 3,494,373,331.77/86,188.18 - Step 6: Final answer
x = 40,543.53
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1.5x scale
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.