Finding the Fourth Proportional to 520,958.82, 781,407.99 and 201,048.11
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Solution
The fourth proportional to 520,958.82, 781,407.99 and 201,048.11 is: 301,560.49
Step by Step Solution
- Step 1: Write the proportion equation
520,958.82 : 781,407.99 = 201,048.11 : x - Step 2: Convert to fraction form
520,958.82/781,407.99 = 201,048.11/x - Step 3: Cross multiply
520,958.82x = 781,407.99 × 201,048.11 - Step 4: Simplify right side
520,958.82x = 157,100,599,528.40 - Step 5: Solve for x
x = 157,100,599,528.40/520,958.82 - Step 6: Final answer
x = 301,560.49
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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.