Finding the Fourth Proportional to 306,006.60, 459,009.90 and 235,147.80
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Solution
The fourth proportional to 306,006.60, 459,009.90 and 235,147.80 is: 352,721.70
Step by Step Solution
- Step 1: Write the proportion equation
306,006.60 : 459,009.90 = 235,147.80 : x - Step 2: Convert to fraction form
306,006.60/459,009.90 = 235,147.80/x - Step 3: Cross multiply
306,006.60x = 459,009.90 × 235,147.80 - Step 4: Simplify right side
306,006.60x = 107,935,168,163.22 - Step 5: Solve for x
x = 107,935,168,163.22/306,006.60 - Step 6: Final answer
x = 352,721.70
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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.