Finding the Fourth Proportional to 355,708.99, 533,564.39 and 145,346.92
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Solution
The fourth proportional to 355,708.99, 533,564.39 and 145,346.92 is: 218,020.75
Step by Step Solution
- Step 1: Write the proportion equation
355,708.99 : 533,564.39 = 145,346.92 : x - Step 2: Convert to fraction form
355,708.99/533,564.39 = 145,346.92/x - Step 3: Cross multiply
355,708.99x = 533,564.39 × 145,346.92 - Step 4: Simplify right side
355,708.99x = 77,551,939,981.44 - Step 5: Solve for x
x = 77,551,939,981.44/355,708.99 - Step 6: Final answer
x = 218,020.75
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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.