Finding the Fourth Proportional to 193,368.56, 266,864.67 and 107,335.62
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Solution
The fourth proportional to 193,368.56, 266,864.67 and 107,335.62 is: 148,132.07
Step by Step Solution
- Step 1: Write the proportion equation
193,368.56 : 266,864.67 = 107,335.62 : x - Step 2: Convert to fraction form
193,368.56/266,864.67 = 107,335.62/x - Step 3: Cross multiply
193,368.56x = 266,864.67 × 107,335.62 - Step 4: Simplify right side
193,368.56x = 28,644,084,810.55 - Step 5: Solve for x
x = 28,644,084,810.55/193,368.56 - Step 6: Final answer
x = 148,132.07
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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.