Finding the Fourth Proportional to 448,192.36, 618,264.93 and 286,873.84
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Solution
The fourth proportional to 448,192.36, 618,264.93 and 286,873.84 is: 395,731.95
Step by Step Solution
- Step 1: Write the proportion equation
448,192.36 : 618,264.93 = 286,873.84 : x - Step 2: Convert to fraction form
448,192.36/618,264.93 = 286,873.84/x - Step 3: Cross multiply
448,192.36x = 618,264.93 × 286,873.84 - Step 4: Simplify right side
448,192.36x = 177,364,034,606.43 - Step 5: Solve for x
x = 177,364,034,606.43/448,192.36 - Step 6: Final answer
x = 395,731.95
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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.