Finding the Fourth Proportional to 192,844.80, 266,129.28 and 107,961.60
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Solution
The fourth proportional to 192,844.80, 266,129.28 and 107,961.60 is: 148,988.94
Step by Step Solution
- Step 1: Write the proportion equation
192,844.80 : 266,129.28 = 107,961.60 : x - Step 2: Convert to fraction form
192,844.80/266,129.28 = 107,961.60/x - Step 3: Cross multiply
192,844.80x = 266,129.28 × 107,961.60 - Step 4: Simplify right side
192,844.80x = 28,731,742,875.65 - Step 5: Solve for x
x = 28,731,742,875.65/192,844.80 - Step 6: Final answer
x = 148,988.94
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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.