Finding the Fourth Proportional to 306,106.68, 459,207.36 and 156,265.68
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Solution
The fourth proportional to 306,106.68, 459,207.36 and 156,265.68 is: 234,422.69
Step by Step Solution
- Step 1: Write the proportion equation
306,106.68 : 459,207.36 = 156,265.68 : x - Step 2: Convert to fraction form
306,106.68/459,207.36 = 156,265.68/x - Step 3: Cross multiply
306,106.68x = 459,207.36 × 156,265.68 - Step 4: Simplify right side
306,106.68x = 71,758,350,371.40 - Step 5: Solve for x
x = 71,758,350,371.40/306,106.68 - Step 6: Final answer
x = 234,422.69
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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.