Finding the Fourth Proportional to 612,283.81, 918,427.69 and 185,823.26
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Solution
The fourth proportional to 612,283.81, 918,427.69 and 185,823.26 is: 278,735.50
Step by Step Solution
- Step 1: Write the proportion equation
612,283.81 : 918,427.69 = 185,823.26 : x - Step 2: Convert to fraction form
612,283.81/918,427.69 = 185,823.26/x - Step 3: Cross multiply
612,283.81x = 918,427.69 × 185,823.26 - Step 4: Simplify right side
612,283.81x = 170,665,231,157.84 - Step 5: Solve for x
x = 170,665,231,157.84/612,283.81 - Step 6: Final answer
x = 278,735.50
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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.