Finding the Fourth Proportional to 97,257.11, 145,897.81 and 30,687.46
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Solution
The fourth proportional to 97,257.11, 145,897.81 and 30,687.46 is: 46,035.02
Step by Step Solution
- Step 1: Write the proportion equation
97,257.11 : 145,897.81 = 30,687.46 : x - Step 2: Convert to fraction form
97,257.11/145,897.81 = 30,687.46/x - Step 3: Cross multiply
97,257.11x = 145,897.81 × 30,687.46 - Step 4: Simplify right side
97,257.11x = 4,477,232,767.00 - Step 5: Solve for x
x = 4,477,232,767.00/97,257.11 - Step 6: Final answer
x = 46,035.02
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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.