Finding the Fourth Proportional to 249,842.96, 374,797.26 and 131,520.78
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Solution
The fourth proportional to 249,842.96, 374,797.26 and 131,520.78 is: 197,298.45
Step by Step Solution
- Step 1: Write the proportion equation
249,842.96 : 374,797.26 = 131,520.78 : x - Step 2: Convert to fraction form
249,842.96/374,797.26 = 131,520.78/x - Step 3: Cross multiply
249,842.96x = 374,797.26 × 131,520.78 - Step 4: Simplify right side
249,842.96x = 49,293,627,977.06 - Step 5: Solve for x
x = 49,293,627,977.06/249,842.96 - Step 6: Final answer
x = 197,298.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.