Finding the Fourth Proportional to 351,719.99, 485,371.94 and 190,575.05
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Solution
The fourth proportional to 351,719.99, 485,371.94 and 190,575.05 is: 262,992.68
Step by Step Solution
- Step 1: Write the proportion equation
351,719.99 : 485,371.94 = 190,575.05 : x - Step 2: Convert to fraction form
351,719.99/485,371.94 = 190,575.05/x - Step 3: Cross multiply
351,719.99x = 485,371.94 × 190,575.05 - Step 4: Simplify right side
351,719.99x = 92,499,781,994.65 - Step 5: Solve for x
x = 92,499,781,994.65/351,719.99 - Step 6: Final answer
x = 262,992.68
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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.