Finding the Fourth Proportional to 817,589.12, 1,225,971.52 and 248,861.12
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Solution
The fourth proportional to 817,589.12, 1,225,971.52 and 248,861.12 is: 373,166.23
Step by Step Solution
- Step 1: Write the proportion equation
817,589.12 : 1,225,971.52 = 248,861.12 : x - Step 2: Convert to fraction form
817,589.12/1,225,971.52 = 248,861.12/x - Step 3: Cross multiply
817,589.12x = 1,225,971.52 × 248,861.12 - Step 4: Simplify right side
817,589.12x = 305,096,645,555.30 - Step 5: Solve for x
x = 305,096,645,555.30/817,589.12 - Step 6: Final answer
x = 373,166.23
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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.