Finding the Fourth Proportional to 317,263.23, 437,819.18 and 181,295.62
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Solution
The fourth proportional to 317,263.23, 437,819.18 and 181,295.62 is: 250,185.62
Step by Step Solution
- Step 1: Write the proportion equation
317,263.23 : 437,819.18 = 181,295.62 : x - Step 2: Convert to fraction form
317,263.23/437,819.18 = 181,295.62/x - Step 3: Cross multiply
317,263.23x = 437,819.18 × 181,295.62 - Step 4: Simplify right side
317,263.23x = 79,374,697,684.97 - Step 5: Solve for x
x = 79,374,697,684.97/317,263.23 - Step 6: Final answer
x = 250,185.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.