Finding the Fourth Proportional to 306,218.83, 459,421.56 and 156,564.19
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Solution
The fourth proportional to 306,218.83, 459,421.56 and 156,564.19 is: 234,893.99
Step by Step Solution
- Step 1: Write the proportion equation
306,218.83 : 459,421.56 = 156,564.19 : x - Step 2: Convert to fraction form
306,218.83/459,421.56 = 156,564.19/x - Step 3: Cross multiply
306,218.83x = 459,421.56 × 156,564.19 - Step 4: Simplify right side
306,218.83x = 71,928,962,112.83 - Step 5: Solve for x
x = 71,928,962,112.83/306,218.83 - Step 6: Final answer
x = 234,893.99
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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.