Finding the Fourth Proportional to 193,323.07, 266,778.87 and 107,285.82
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Solution
The fourth proportional to 193,323.07, 266,778.87 and 107,285.82 is: 148,050.56
Step by Step Solution
- Step 1: Write the proportion equation
193,323.07 : 266,778.87 = 107,285.82 : x - Step 2: Convert to fraction form
193,323.07/266,778.87 = 107,285.82/x - Step 3: Cross multiply
193,323.07x = 266,778.87 × 107,285.82 - Step 4: Simplify right side
193,323.07x = 28,621,588,423.88 - Step 5: Solve for x
x = 28,621,588,423.88/193,323.07 - Step 6: Final answer
x = 148,050.56
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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.