Finding the Fourth Proportional to 361,320.20, 498,420.97 and 284,556.50
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Solution
The fourth proportional to 361,320.20, 498,420.97 and 284,556.50 is: 392,529.75
Step by Step Solution
- Step 1: Write the proportion equation
361,320.20 : 498,420.97 = 284,556.50 : x - Step 2: Convert to fraction form
361,320.20/498,420.97 = 284,556.50/x - Step 3: Cross multiply
361,320.20x = 498,420.97 × 284,556.50 - Step 4: Simplify right side
361,320.20x = 141,828,926,749.81 - Step 5: Solve for x
x = 141,828,926,749.81/361,320.20 - Step 6: Final answer
x = 392,529.75
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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.