Finding the Fourth Proportional to 97,988.24, 146,986.68 and 27,871.76
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Solution
The fourth proportional to 97,988.24, 146,986.68 and 27,871.76 is: 41,808.87
Step by Step Solution
- Step 1: Write the proportion equation
97,988.24 : 146,986.68 = 27,871.76 : x - Step 2: Convert to fraction form
97,988.24/146,986.68 = 27,871.76/x - Step 3: Cross multiply
97,988.24x = 146,986.68 × 27,871.76 - Step 4: Simplify right side
97,988.24x = 4,096,777,468.16 - Step 5: Solve for x
x = 4,096,777,468.16/97,988.24 - Step 6: Final answer
x = 41,808.87
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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.