Finding the Fourth Proportional to 351,486.86, 485,052.12 and 190,342.08
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Solution
The fourth proportional to 351,486.86, 485,052.12 and 190,342.08 is: 262,672.21
Step by Step Solution
- Step 1: Write the proportion equation
351,486.86 : 485,052.12 = 190,342.08 : x - Step 2: Convert to fraction form
351,486.86/485,052.12 = 190,342.08/x - Step 3: Cross multiply
351,486.86x = 485,052.12 × 190,342.08 - Step 4: Simplify right side
351,486.86x = 92,325,829,429.21 - Step 5: Solve for x
x = 92,325,829,429.21/351,486.86 - Step 6: Final answer
x = 262,672.21
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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.