Finding the Fourth Proportional to 306,800.46, 460,221.62 and 104,314.14
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Solution
The fourth proportional to 306,800.46, 460,221.62 and 104,314.14 is: 156,478.32
Step by Step Solution
- Step 1: Write the proportion equation
306,800.46 : 460,221.62 = 104,314.14 : x - Step 2: Convert to fraction form
306,800.46/460,221.62 = 104,314.14/x - Step 3: Cross multiply
306,800.46x = 460,221.62 × 104,314.14 - Step 4: Simplify right side
306,800.46x = 48,007,621,978.14 - Step 5: Solve for x
x = 48,007,621,978.14/306,800.46 - Step 6: Final answer
x = 156,478.32
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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.