Finding the Fourth Proportional to 193,235.18, 266,664.30 and 107,207.19
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Solution
The fourth proportional to 193,235.18, 266,664.30 and 107,207.19 is: 147,945.79
Step by Step Solution
- Step 1: Write the proportion equation
193,235.18 : 266,664.30 = 107,207.19 : x - Step 2: Convert to fraction form
193,235.18/266,664.30 = 107,207.19/x - Step 3: Cross multiply
193,235.18x = 266,664.30 × 107,207.19 - Step 4: Simplify right side
193,235.18x = 28,588,330,276.32 - Step 5: Solve for x
x = 28,588,330,276.32/193,235.18 - Step 6: Final answer
x = 147,945.79
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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.