Finding the Fourth Proportional to 351,467.68, 485,032.08 and 192,491.68
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Solution
The fourth proportional to 351,467.68, 485,032.08 and 192,491.68 is: 265,642.18
Step by Step Solution
- Step 1: Write the proportion equation
351,467.68 : 485,032.08 = 192,491.68 : x - Step 2: Convert to fraction form
351,467.68/485,032.08 = 192,491.68/x - Step 3: Cross multiply
351,467.68x = 485,032.08 × 192,491.68 - Step 4: Simplify right side
351,467.68x = 93,364,639,933.09 - Step 5: Solve for x
x = 93,364,639,933.09/351,467.68 - Step 6: Final answer
x = 265,642.18
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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.