Finding the Fourth Proportional to 268,548.75, 370,606.59 and 147,699.18
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Solution
The fourth proportional to 268,548.75, 370,606.59 and 147,699.18 is: 203,829.99
Step by Step Solution
- Step 1: Write the proportion equation
268,548.75 : 370,606.59 = 147,699.18 : x - Step 2: Convert to fraction form
268,548.75/370,606.59 = 147,699.18/x - Step 3: Cross multiply
268,548.75x = 370,606.59 × 147,699.18 - Step 4: Simplify right side
268,548.75x = 54,738,289,445.60 - Step 5: Solve for x
x = 54,738,289,445.60/268,548.75 - Step 6: Final answer
x = 203,829.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.