Finding the Fourth Proportional to 153,353.01, 230,013.11 and 53,515.09
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Solution
The fourth proportional to 153,353.01, 230,013.11 and 53,515.09 is: 80,266.92
Step by Step Solution
- Step 1: Write the proportion equation
153,353.01 : 230,013.11 = 53,515.09 : x - Step 2: Convert to fraction form
153,353.01/230,013.11 = 53,515.09/x - Step 3: Cross multiply
153,353.01x = 230,013.11 × 53,515.09 - Step 4: Simplify right side
153,353.01x = 12,309,172,989.96 - Step 5: Solve for x
x = 12,309,172,989.96/153,353.01 - Step 6: Final answer
x = 80,266.92
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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.