Finding the Fourth Proportional to 159,148.70, 238,723.12 and 39,207.99
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Solution
The fourth proportional to 159,148.70, 238,723.12 and 39,207.99 is: 58,811.99
Step by Step Solution
- Step 1: Write the proportion equation
159,148.70 : 238,723.12 = 39,207.99 : x - Step 2: Convert to fraction form
159,148.70/238,723.12 = 39,207.99/x - Step 3: Cross multiply
159,148.70x = 238,723.12 × 39,207.99 - Step 4: Simplify right side
159,148.70x = 9,359,852,508.11 - Step 5: Solve for x
x = 9,359,852,508.11/159,148.70 - Step 6: Final answer
x = 58,811.99
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1.5x scale
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.