Finding the Fourth Proportional to 193,262.91, 266,703.13 and 107,219.19
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Solution
The fourth proportional to 193,262.91, 266,703.13 and 107,219.19 is: 147,962.66
Step by Step Solution
- Step 1: Write the proportion equation
193,262.91 : 266,703.13 = 107,219.19 : x - Step 2: Convert to fraction form
193,262.91/266,703.13 = 107,219.19/x - Step 3: Cross multiply
193,262.91x = 266,703.13 × 107,219.19 - Step 4: Simplify right side
193,262.91x = 28,595,694,703.23 - Step 5: Solve for x
x = 28,595,694,703.23/193,262.91 - Step 6: Final answer
x = 147,962.66
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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.