Finding the Fourth Proportional to 193,238.29, 266,682.50 and 107,224.80
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Solution
The fourth proportional to 193,238.29, 266,682.50 and 107,224.80 is: 147,977.80
Step by Step Solution
- Step 1: Write the proportion equation
193,238.29 : 266,682.50 = 107,224.80 : x - Step 2: Convert to fraction form
193,238.29/266,682.50 = 107,224.80/x - Step 3: Cross multiply
193,238.29x = 266,682.50 × 107,224.80 - Step 4: Simplify right side
193,238.29x = 28,594,977,726 - Step 5: Solve for x
x = 28,594,977,726/193,238.29 - Step 6: Final answer
x = 147,977.80
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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.