Finding the Fourth Proportional to 193,357.98, 266,829.99 and 107,311.97
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Solution
The fourth proportional to 193,357.98, 266,829.99 and 107,311.97 is: 148,088.29
Step by Step Solution
- Step 1: Write the proportion equation
193,357.98 : 266,829.99 = 107,311.97 : x - Step 2: Convert to fraction form
193,357.98/266,829.99 = 107,311.97/x - Step 3: Cross multiply
193,357.98x = 266,829.99 × 107,311.97 - Step 4: Simplify right side
193,357.98x = 28,634,051,881.98 - Step 5: Solve for x
x = 28,634,051,881.98/193,357.98 - Step 6: Final answer
x = 148,088.29
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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.