Finding the Fourth Proportional to 612,825.68, 919,386.14 and 192,101.55
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Solution
The fourth proportional to 612,825.68, 919,386.14 and 192,101.55 is: 288,198.60
Step by Step Solution
- Step 1: Write the proportion equation
612,825.68 : 919,386.14 = 192,101.55 : x - Step 2: Convert to fraction form
612,825.68/919,386.14 = 192,101.55/x - Step 3: Cross multiply
612,825.68x = 919,386.14 × 192,101.55 - Step 4: Simplify right side
612,825.68x = 176,615,503,846.14 - Step 5: Solve for x
x = 176,615,503,846.14/612,825.68 - Step 6: Final answer
x = 288,198.60
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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.