Finding the Fourth Proportional to 631,202.10, 871,059.87 and 359,269.99
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Solution
The fourth proportional to 631,202.10, 871,059.87 and 359,269.99 is: 495,793.14
Step by Step Solution
- Step 1: Write the proportion equation
631,202.10 : 871,059.87 = 359,269.99 : x - Step 2: Convert to fraction form
631,202.10/871,059.87 = 359,269.99/x - Step 3: Cross multiply
631,202.10x = 871,059.87 × 359,269.99 - Step 4: Simplify right side
631,202.10x = 312,945,668,606.65 - Step 5: Solve for x
x = 312,945,668,606.65/631,202.10 - Step 6: Final answer
x = 495,793.14
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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.