Finding the Fourth Proportional to 193,317.30, 266,780.09 and 107,277.98
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Solution
The fourth proportional to 193,317.30, 266,780.09 and 107,277.98 is: 148,044.84
Step by Step Solution
- Step 1: Write the proportion equation
193,317.30 : 266,780.09 = 107,277.98 : x - Step 2: Convert to fraction form
193,317.30/266,780.09 = 107,277.98/x - Step 3: Cross multiply
193,317.30x = 266,780.09 × 107,277.98 - Step 4: Simplify right side
193,317.30x = 28,619,628,093.71 - Step 5: Solve for x
x = 28,619,628,093.71/193,317.30 - Step 6: Final answer
x = 148,044.84
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1.5x scale
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.