Finding the Fourth Proportional to 442,430.64, 664,310.57 and 253,104.75
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Solution
The fourth proportional to 442,430.64, 664,310.57 and 253,104.75 is: 380,037.33
Step by Step Solution
- Step 1: Write the proportion equation
442,430.64 : 664,310.57 = 253,104.75 : x - Step 2: Convert to fraction form
442,430.64/664,310.57 = 253,104.75/x - Step 3: Cross multiply
442,430.64x = 664,310.57 × 253,104.75 - Step 4: Simplify right side
442,430.64x = 168,140,159,476.68 - Step 5: Solve for x
x = 168,140,159,476.68/442,430.64 - Step 6: Final answer
x = 380,037.33
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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.