Finding the Fourth Proportional to 355,708.49, 533,563.64 and 145,346.42
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Solution
The fourth proportional to 355,708.49, 533,563.64 and 145,346.42 is: 218,020.00
Step by Step Solution
- Step 1: Write the proportion equation
355,708.49 : 533,563.64 = 145,346.42 : x - Step 2: Convert to fraction form
355,708.49/533,563.64 = 145,346.42/x - Step 3: Cross multiply
355,708.49x = 533,563.64 × 145,346.42 - Step 4: Simplify right side
355,708.49x = 77,551,564,189.44 - Step 5: Solve for x
x = 77,551,564,189.44/355,708.49 - Step 6: Final answer
x = 218,020.00
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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.