Finding the Fourth Proportional to 407,851.47, 611,984.97 and 288,674.55
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Solution
The fourth proportional to 407,851.47, 611,984.97 and 288,674.55 is: 433,158.88
Step by Step Solution
- Step 1: Write the proportion equation
407,851.47 : 611,984.97 = 288,674.55 : x - Step 2: Convert to fraction form
407,851.47/611,984.97 = 288,674.55/x - Step 3: Cross multiply
407,851.47x = 611,984.97 × 288,674.55 - Step 4: Simplify right side
407,851.47x = 176,664,485,821.51 - Step 5: Solve for x
x = 176,664,485,821.51/407,851.47 - Step 6: Final answer
x = 433,158.88
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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.