Finding the Fourth Proportional to 351,621.65, 485,239.07 and 190,476.20
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Solution
The fourth proportional to 351,621.65, 485,239.07 and 190,476.20 is: 262,857.80
Step by Step Solution
- Step 1: Write the proportion equation
351,621.65 : 485,239.07 = 190,476.20 : x - Step 2: Convert to fraction form
351,621.65/485,239.07 = 190,476.20/x - Step 3: Cross multiply
351,621.65x = 485,239.07 × 190,476.20 - Step 4: Simplify right side
351,621.65x = 92,426,494,145.13 - Step 5: Solve for x
x = 92,426,494,145.13/351,621.65 - Step 6: Final answer
x = 262,857.80
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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.