Finding the Fourth Proportional to 370,502.10, 555,986.97 and 193,133.70
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Solution
The fourth proportional to 370,502.10, 555,986.97 and 193,133.70 is: 289,822.43
Step by Step Solution
- Step 1: Write the proportion equation
370,502.10 : 555,986.97 = 193,133.70 : x - Step 2: Convert to fraction form
370,502.10/555,986.97 = 193,133.70/x - Step 3: Cross multiply
370,502.10x = 555,986.97 × 193,133.70 - Step 4: Simplify right side
370,502.10x = 107,379,820,667.89 - Step 5: Solve for x
x = 107,379,820,667.89/370,502.10 - Step 6: Final answer
x = 289,822.43
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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.