Finding the Fourth Proportional to 352,444.60, 486,374.03 and 191,299.68
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Solution
The fourth proportional to 352,444.60, 486,374.03 and 191,299.68 is: 263,993.82
Step by Step Solution
- Step 1: Write the proportion equation
352,444.60 : 486,374.03 = 191,299.68 : x - Step 2: Convert to fraction form
352,444.60/486,374.03 = 191,299.68/x - Step 3: Cross multiply
352,444.60x = 486,374.03 × 191,299.68 - Step 4: Simplify right side
352,444.60x = 93,043,196,299.31 - Step 5: Solve for x
x = 93,043,196,299.31/352,444.60 - Step 6: Final answer
x = 263,993.82
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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.