Finding the Fourth Proportional to 86,189.18, 129,283.78 and 27,030.02
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Solution
The fourth proportional to 86,189.18, 129,283.78 and 27,030.02 is: 40,545.03
Step by Step Solution
- Step 1: Write the proportion equation
86,189.18 : 129,283.78 = 27,030.02 : x - Step 2: Convert to fraction form
86,189.18/129,283.78 = 27,030.02/x - Step 3: Cross multiply
86,189.18x = 129,283.78 × 27,030.02 - Step 4: Simplify right side
86,189.18x = 3,494,543,159.08 - Step 5: Solve for x
x = 3,494,543,159.08/86,189.18 - Step 6: Final answer
x = 40,545.03
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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.