Finding the Fourth Proportional to 193,427.11, 266,924.22 and 115,946.53
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Solution
The fourth proportional to 193,427.11, 266,924.22 and 115,946.53 is: 160,003.09
Step by Step Solution
- Step 1: Write the proportion equation
193,427.11 : 266,924.22 = 115,946.53 : x - Step 2: Convert to fraction form
193,427.11/266,924.22 = 115,946.53/x - Step 3: Cross multiply
193,427.11x = 266,924.22 × 115,946.53 - Step 4: Simplify right side
193,427.11x = 30,948,935,581.51 - Step 5: Solve for x
x = 30,948,935,581.51/193,427.11 - Step 6: Final answer
x = 160,003.09
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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.