Finding the Fourth Proportional to 102,242.72, 153,273.36 and 39,956.96
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Solution
The fourth proportional to 102,242.72, 153,273.36 and 39,956.96 is: 59,899.99
Step by Step Solution
- Step 1: Write the proportion equation
102,242.72 : 153,273.36 = 39,956.96 : x - Step 2: Convert to fraction form
102,242.72/153,273.36 = 39,956.96/x - Step 3: Cross multiply
102,242.72x = 153,273.36 × 39,956.96 - Step 4: Simplify right side
102,242.72x = 6,124,337,514.59 - Step 5: Solve for x
x = 6,124,337,514.59/102,242.72 - Step 6: Final answer
x = 59,899.99
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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.