Finding the Fourth Proportional to 261,988.08, 392,610.16 and 201,788.88
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Solution
The fourth proportional to 261,988.08, 392,610.16 and 201,788.88 is: 302,396.83
Step by Step Solution
- Step 1: Write the proportion equation
261,988.08 : 392,610.16 = 201,788.88 : x - Step 2: Convert to fraction form
261,988.08/392,610.16 = 201,788.88/x - Step 3: Cross multiply
261,988.08x = 392,610.16 × 201,788.88 - Step 4: Simplify right side
261,988.08x = 79,224,364,463.02 - Step 5: Solve for x
x = 79,224,364,463.02/261,988.08 - Step 6: Final answer
x = 302,396.83
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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.