Finding the Fourth Proportional to 282,237.28, 389,669.84 and 174,921.19
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Solution
The fourth proportional to 282,237.28, 389,669.84 and 174,921.19 is: 241,504.28
Step by Step Solution
- Step 1: Write the proportion equation
282,237.28 : 389,669.84 = 174,921.19 : x - Step 2: Convert to fraction form
282,237.28/389,669.84 = 174,921.19/x - Step 3: Cross multiply
282,237.28x = 389,669.84 × 174,921.19 - Step 4: Simplify right side
282,237.28x = 68,161,510,927.08 - Step 5: Solve for x
x = 68,161,510,927.08/282,237.28 - Step 6: Final answer
x = 241,504.28
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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.