Finding the Fourth Proportional to 351,630.96, 485,248.65 and 190,489.08
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Solution
The fourth proportional to 351,630.96, 485,248.65 and 190,489.08 is: 262,873.81
Step by Step Solution
- Step 1: Write the proportion equation
351,630.96 : 485,248.65 = 190,489.08 : x - Step 2: Convert to fraction form
351,630.96/485,248.65 = 190,489.08/x - Step 3: Cross multiply
351,630.96x = 485,248.65 × 190,489.08 - Step 4: Simplify right side
351,630.96x = 92,434,568,909.74 - Step 5: Solve for x
x = 92,434,568,909.74/351,630.96 - Step 6: Final answer
x = 262,873.81
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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.