Finding the Fourth Proportional to 306,107.68, 459,208.86 and 156,266.68
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Solution
The fourth proportional to 306,107.68, 459,208.86 and 156,266.68 is: 234,424.19
Step by Step Solution
- Step 1: Write the proportion equation
306,107.68 : 459,208.86 = 156,266.68 : x - Step 2: Convert to fraction form
306,107.68/459,208.86 = 156,266.68/x - Step 3: Cross multiply
306,107.68x = 459,208.86 × 156,266.68 - Step 4: Simplify right side
306,107.68x = 71,759,043,978.78 - Step 5: Solve for x
x = 71,759,043,978.78/306,107.68 - Step 6: Final answer
x = 234,424.19
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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.