Finding the Fourth Proportional to 291,785.35, 402,995.93 and 196,125.97
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Solution
The fourth proportional to 291,785.35, 402,995.93 and 196,125.97 is: 270,877.09
Step by Step Solution
- Step 1: Write the proportion equation
291,785.35 : 402,995.93 = 196,125.97 : x - Step 2: Convert to fraction form
291,785.35/402,995.93 = 196,125.97/x - Step 3: Cross multiply
291,785.35x = 402,995.93 × 196,125.97 - Step 4: Simplify right side
291,785.35x = 79,037,966,669.81 - Step 5: Solve for x
x = 79,037,966,669.81/291,785.35 - Step 6: Final answer
x = 270,877.09
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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.